Home / 1,475.47-2,213.34-609.85

Finding the Fourth Proportional to 1,475.47, 2,213.34 and 609.85

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Solution

The fourth proportional to 1,475.47, 2,213.34 and 609.85 is: 914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.47 : 2,213.34 = 609.85 : x
  2. Step 2: Convert to fraction form
    1,475.47/2,213.34 = 609.85/x
  3. Step 3: Cross multiply
    1,475.47x = 2,213.34 × 609.85
  4. Step 4: Simplify right side
    1,475.47x = 1,349,805.40
  5. Step 5: Solve for x
    x = 1,349,805.40/1,475.47
  6. Step 6: Final answer
    x = 914.83

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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.