Home / 3,140.46-4,710.60-1,060.92

Finding the Fourth Proportional to 3,140.46, 4,710.60 and 1,060.92

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Solution

The fourth proportional to 3,140.46, 4,710.60 and 1,060.92 is: 1,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.46 : 4,710.60 = 1,060.92 : x
  2. Step 2: Convert to fraction form
    3,140.46/4,710.60 = 1,060.92/x
  3. Step 3: Cross multiply
    3,140.46x = 4,710.60 × 1,060.92
  4. Step 4: Simplify right side
    3,140.46x = 4,997,569.75
  5. Step 5: Solve for x
    x = 4,997,569.75/3,140.46
  6. Step 6: Final answer
    x = 1,591.35

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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.