Home / 3,423.24-5,135.18-1,574.87

Finding the Fourth Proportional to 3,423.24, 5,135.18 and 1,574.87

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Solution

The fourth proportional to 3,423.24, 5,135.18 and 1,574.87 is: 2,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.24 : 5,135.18 = 1,574.87 : x
  2. Step 2: Convert to fraction form
    3,423.24/5,135.18 = 1,574.87/x
  3. Step 3: Cross multiply
    3,423.24x = 5,135.18 × 1,574.87
  4. Step 4: Simplify right side
    3,423.24x = 8,087,207.38
  5. Step 5: Solve for x
    x = 8,087,207.38/3,423.24
  6. Step 6: Final answer
    x = 2,362.44

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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.