Home / 1,660.18-2,488.72-837.49

Finding the Fourth Proportional to 1,660.18, 2,488.72 and 837.49

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Solution

The fourth proportional to 1,660.18, 2,488.72 and 837.49 is: 1,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.18 : 2,488.72 = 837.49 : x
  2. Step 2: Convert to fraction form
    1,660.18/2,488.72 = 837.49/x
  3. Step 3: Cross multiply
    1,660.18x = 2,488.72 × 837.49
  4. Step 4: Simplify right side
    1,660.18x = 2,084,278.11
  5. Step 5: Solve for x
    x = 2,084,278.11/1,660.18
  6. Step 6: Final answer
    x = 1,255.45

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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.