Home / 2,423.48-3,634.18-921.51

Finding the Fourth Proportional to 2,423.48, 3,634.18 and 921.51

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Solution

The fourth proportional to 2,423.48, 3,634.18 and 921.51 is: 1,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.48 : 3,634.18 = 921.51 : x
  2. Step 2: Convert to fraction form
    2,423.48/3,634.18 = 921.51/x
  3. Step 3: Cross multiply
    2,423.48x = 3,634.18 × 921.51
  4. Step 4: Simplify right side
    2,423.48x = 3,348,930.91
  5. Step 5: Solve for x
    x = 3,348,930.91/2,423.48
  6. Step 6: Final answer
    x = 1,381.87

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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.