Home / 3,459.68-5,167.45-3,130.11

Finding the Fourth Proportional to 3,459.68, 5,167.45 and 3,130.11

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Solution

The fourth proportional to 3,459.68, 5,167.45 and 3,130.11 is: 4,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.68 : 5,167.45 = 3,130.11 : x
  2. Step 2: Convert to fraction form
    3,459.68/5,167.45 = 3,130.11/x
  3. Step 3: Cross multiply
    3,459.68x = 5,167.45 × 3,130.11
  4. Step 4: Simplify right side
    3,459.68x = 16,174,686.92
  5. Step 5: Solve for x
    x = 16,174,686.92/3,459.68
  6. Step 6: Final answer
    x = 4,675.20

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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.