Home / 1,753.12-2,615.31-1,705.45

Finding the Fourth Proportional to 1,753.12, 2,615.31 and 1,705.45

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Solution

The fourth proportional to 1,753.12, 2,615.31 and 1,705.45 is: 2,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.12 : 2,615.31 = 1,705.45 : x
  2. Step 2: Convert to fraction form
    1,753.12/2,615.31 = 1,705.45/x
  3. Step 3: Cross multiply
    1,753.12x = 2,615.31 × 1,705.45
  4. Step 4: Simplify right side
    1,753.12x = 4,460,273.90
  5. Step 5: Solve for x
    x = 4,460,273.90/1,753.12
  6. Step 6: Final answer
    x = 2,544.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.