Home / 2,507.40-3,761.70-1,045.74

Finding the Fourth Proportional to 2,507.40, 3,761.70 and 1,045.74

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Solution

The fourth proportional to 2,507.40, 3,761.70 and 1,045.74 is: 1,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,507.40 : 3,761.70 = 1,045.74 : x
  2. Step 2: Convert to fraction form
    2,507.40/3,761.70 = 1,045.74/x
  3. Step 3: Cross multiply
    2,507.40x = 3,761.70 × 1,045.74
  4. Step 4: Simplify right side
    2,507.40x = 3,933,760.16
  5. Step 5: Solve for x
    x = 3,933,760.16/2,507.40
  6. Step 6: Final answer
    x = 1,568.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.