Home / 1,575.19-2,362.51-479.35

Finding the Fourth Proportional to 1,575.19, 2,362.51 and 479.35

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Solution

The fourth proportional to 1,575.19, 2,362.51 and 479.35 is: 718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.19 : 2,362.51 = 479.35 : x
  2. Step 2: Convert to fraction form
    1,575.19/2,362.51 = 479.35/x
  3. Step 3: Cross multiply
    1,575.19x = 2,362.51 × 479.35
  4. Step 4: Simplify right side
    1,575.19x = 1,132,469.17
  5. Step 5: Solve for x
    x = 1,132,469.17/1,575.19
  6. Step 6: Final answer
    x = 718.94

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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.