Home / 3,423.08-5,135.16-1,475.30

Finding the Fourth Proportional to 3,423.08, 5,135.16 and 1,475.30

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Solution

The fourth proportional to 3,423.08, 5,135.16 and 1,475.30 is: 2,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.08 : 5,135.16 = 1,475.30 : x
  2. Step 2: Convert to fraction form
    3,423.08/5,135.16 = 1,475.30/x
  3. Step 3: Cross multiply
    3,423.08x = 5,135.16 × 1,475.30
  4. Step 4: Simplify right side
    3,423.08x = 7,575,875.87
  5. Step 5: Solve for x
    x = 7,575,875.87/3,423.08
  6. Step 6: Final answer
    x = 2,213.18

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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.