Home / 1,656.08-2,479.40-1,267.66

Finding the Fourth Proportional to 1,656.08, 2,479.40 and 1,267.66

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Solution

The fourth proportional to 1,656.08, 2,479.40 and 1,267.66 is: 1,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.08 : 2,479.40 = 1,267.66 : x
  2. Step 2: Convert to fraction form
    1,656.08/2,479.40 = 1,267.66/x
  3. Step 3: Cross multiply
    1,656.08x = 2,479.40 × 1,267.66
  4. Step 4: Simplify right side
    1,656.08x = 3,143,039.42
  5. Step 5: Solve for x
    x = 3,143,039.42/1,656.08
  6. Step 6: Final answer
    x = 1,897.88

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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.