Home / 1,618.08-2,427.12-1,488.48

Finding the Fourth Proportional to 1,618.08, 2,427.12 and 1,488.48

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Solution

The fourth proportional to 1,618.08, 2,427.12 and 1,488.48 is: 2,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.08 : 2,427.12 = 1,488.48 : x
  2. Step 2: Convert to fraction form
    1,618.08/2,427.12 = 1,488.48/x
  3. Step 3: Cross multiply
    1,618.08x = 2,427.12 × 1,488.48
  4. Step 4: Simplify right side
    1,618.08x = 3,612,719.58
  5. Step 5: Solve for x
    x = 3,612,719.58/1,618.08
  6. Step 6: Final answer
    x = 2,232.72

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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.