Home / 1,637.46-2,259.57-974.19

Finding the Fourth Proportional to 1,637.46, 2,259.57 and 974.19

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Solution

The fourth proportional to 1,637.46, 2,259.57 and 974.19 is: 1,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.46 : 2,259.57 = 974.19 : x
  2. Step 2: Convert to fraction form
    1,637.46/2,259.57 = 974.19/x
  3. Step 3: Cross multiply
    1,637.46x = 2,259.57 × 974.19
  4. Step 4: Simplify right side
    1,637.46x = 2,201,250.50
  5. Step 5: Solve for x
    x = 2,201,250.50/1,637.46
  6. Step 6: Final answer
    x = 1,344.31

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,638.46, 2,260.95 and 975.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.