Home / 2,710.28-3,740.19-1,531.33

Finding the Fourth Proportional to 2,710.28, 3,740.19 and 1,531.33

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Solution

The fourth proportional to 2,710.28, 3,740.19 and 1,531.33 is: 2,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.28 : 3,740.19 = 1,531.33 : x
  2. Step 2: Convert to fraction form
    2,710.28/3,740.19 = 1,531.33/x
  3. Step 3: Cross multiply
    2,710.28x = 3,740.19 × 1,531.33
  4. Step 4: Simplify right side
    2,710.28x = 5,727,465.15
  5. Step 5: Solve for x
    x = 5,727,465.15/2,710.28
  6. Step 6: Final answer
    x = 2,113.24

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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.