Home / 2,710.13-3,739.97-1,531.31

Finding the Fourth Proportional to 2,710.13, 3,739.97 and 1,531.31

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Solution

The fourth proportional to 2,710.13, 3,739.97 and 1,531.31 is: 2,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.13 : 3,739.97 = 1,531.31 : x
  2. Step 2: Convert to fraction form
    2,710.13/3,739.97 = 1,531.31/x
  3. Step 3: Cross multiply
    2,710.13x = 3,739.97 × 1,531.31
  4. Step 4: Simplify right side
    2,710.13x = 5,727,038.59
  5. Step 5: Solve for x
    x = 5,727,038.59/2,710.13
  6. Step 6: Final answer
    x = 2,113.20

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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.