Home / 1,349.29-2,023.95-471.76

Finding the Fourth Proportional to 1,349.29, 2,023.95 and 471.76

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Solution

The fourth proportional to 1,349.29, 2,023.95 and 471.76 is: 707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.29 : 2,023.95 = 471.76 : x
  2. Step 2: Convert to fraction form
    1,349.29/2,023.95 = 471.76/x
  3. Step 3: Cross multiply
    1,349.29x = 2,023.95 × 471.76
  4. Step 4: Simplify right side
    1,349.29x = 954,815.36
  5. Step 5: Solve for x
    x = 954,815.36/1,349.29
  6. Step 6: Final answer
    x = 707.64

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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.