Home / 2,687.41-3,710.25-1,757.53

Finding the Fourth Proportional to 2,687.41, 3,710.25 and 1,757.53

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Solution

The fourth proportional to 2,687.41, 3,710.25 and 1,757.53 is: 2,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.41 : 3,710.25 = 1,757.53 : x
  2. Step 2: Convert to fraction form
    2,687.41/3,710.25 = 1,757.53/x
  3. Step 3: Cross multiply
    2,687.41x = 3,710.25 × 1,757.53
  4. Step 4: Simplify right side
    2,687.41x = 6,520,875.68
  5. Step 5: Solve for x
    x = 6,520,875.68/2,687.41
  6. Step 6: Final answer
    x = 2,426.45

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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.