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Finding the Fourth Proportional to 1,595.71, 2,392.90 and 608.88

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Solution

The fourth proportional to 1,595.71, 2,392.90 and 608.88 is: 913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.71 : 2,392.90 = 608.88 : x
  2. Step 2: Convert to fraction form
    1,595.71/2,392.90 = 608.88/x
  3. Step 3: Cross multiply
    1,595.71x = 2,392.90 × 608.88
  4. Step 4: Simplify right side
    1,595.71x = 1,456,990.47
  5. Step 5: Solve for x
    x = 1,456,990.47/1,595.71
  6. Step 6: Final answer
    x = 913.07

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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.