Home / 1,498.71-2,247.75-402.81

Finding the Fourth Proportional to 1,498.71, 2,247.75 and 402.81

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Solution

The fourth proportional to 1,498.71, 2,247.75 and 402.81 is: 604.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.71 : 2,247.75 = 402.81 : x
  2. Step 2: Convert to fraction form
    1,498.71/2,247.75 = 402.81/x
  3. Step 3: Cross multiply
    1,498.71x = 2,247.75 × 402.81
  4. Step 4: Simplify right side
    1,498.71x = 905,416.18
  5. Step 5: Solve for x
    x = 905,416.18/1,498.71
  6. Step 6: Final answer
    x = 604.13

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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.