Home / 1,637.92-2,260.82-975.18

Finding the Fourth Proportional to 1,637.92, 2,260.82 and 975.18

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Solution

The fourth proportional to 1,637.92, 2,260.82 and 975.18 is: 1,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.92 : 2,260.82 = 975.18 : x
  2. Step 2: Convert to fraction form
    1,637.92/2,260.82 = 975.18/x
  3. Step 3: Cross multiply
    1,637.92x = 2,260.82 × 975.18
  4. Step 4: Simplify right side
    1,637.92x = 2,204,706.45
  5. Step 5: Solve for x
    x = 2,204,706.45/1,637.92
  6. Step 6: Final answer
    x = 1,346.04

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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.