Home / 2,572.46-3,544.85-1,785.14

Finding the Fourth Proportional to 2,572.46, 3,544.85 and 1,785.14

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Solution

The fourth proportional to 2,572.46, 3,544.85 and 1,785.14 is: 2,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.46 : 3,544.85 = 1,785.14 : x
  2. Step 2: Convert to fraction form
    2,572.46/3,544.85 = 1,785.14/x
  3. Step 3: Cross multiply
    2,572.46x = 3,544.85 × 1,785.14
  4. Step 4: Simplify right side
    2,572.46x = 6,328,026.88
  5. Step 5: Solve for x
    x = 6,328,026.88/2,572.46
  6. Step 6: Final answer
    x = 2,459.92

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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.