Home / 3,474.24-5,182.36-3,142.08

Finding the Fourth Proportional to 3,474.24, 5,182.36 and 3,142.08

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Solution

The fourth proportional to 3,474.24, 5,182.36 and 3,142.08 is: 4,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.24 : 5,182.36 = 3,142.08 : x
  2. Step 2: Convert to fraction form
    3,474.24/5,182.36 = 3,142.08/x
  3. Step 3: Cross multiply
    3,474.24x = 5,182.36 × 3,142.08
  4. Step 4: Simplify right side
    3,474.24x = 16,283,389.71
  5. Step 5: Solve for x
    x = 16,283,389.71/3,474.24
  6. Step 6: Final answer
    x = 4,686.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.