Home / 3,140.24-4,711.08-1,060.20

Finding the Fourth Proportional to 3,140.24, 4,711.08 and 1,060.20

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Solution

The fourth proportional to 3,140.24, 4,711.08 and 1,060.20 is: 1,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.24 : 4,711.08 = 1,060.20 : x
  2. Step 2: Convert to fraction form
    3,140.24/4,711.08 = 1,060.20/x
  3. Step 3: Cross multiply
    3,140.24x = 4,711.08 × 1,060.20
  4. Step 4: Simplify right side
    3,140.24x = 4,994,687.02
  5. Step 5: Solve for x
    x = 4,994,687.02/3,140.24
  6. Step 6: Final answer
    x = 1,590.54

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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.