Home / 1,475.47-2,212.60-501.65

Finding the Fourth Proportional to 1,475.47, 2,212.60 and 501.65

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Solution

The fourth proportional to 1,475.47, 2,212.60 and 501.65 is: 752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.47 : 2,212.60 = 501.65 : x
  2. Step 2: Convert to fraction form
    1,475.47/2,212.60 = 501.65/x
  3. Step 3: Cross multiply
    1,475.47x = 2,212.60 × 501.65
  4. Step 4: Simplify right side
    1,475.47x = 1,109,950.79
  5. Step 5: Solve for x
    x = 1,109,950.79/1,475.47
  6. Step 6: Final answer
    x = 752.27

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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.