Home / 1,660.52-2,290.66-1,070.12

Finding the Fourth Proportional to 1,660.52, 2,290.66 and 1,070.12

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Solution

The fourth proportional to 1,660.52, 2,290.66 and 1,070.12 is: 1,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.52 : 2,290.66 = 1,070.12 : x
  2. Step 2: Convert to fraction form
    1,660.52/2,290.66 = 1,070.12/x
  3. Step 3: Cross multiply
    1,660.52x = 2,290.66 × 1,070.12
  4. Step 4: Simplify right side
    1,660.52x = 2,451,281.08
  5. Step 5: Solve for x
    x = 2,451,281.08/1,660.52
  6. Step 6: Final answer
    x = 1,476.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.