Home / 1,656.92-2,283.18-1,281.62

Finding the Fourth Proportional to 1,656.92, 2,283.18 and 1,281.62

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Solution

The fourth proportional to 1,656.92, 2,283.18 and 1,281.62 is: 1,766.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.92 : 2,283.18 = 1,281.62 : x
  2. Step 2: Convert to fraction form
    1,656.92/2,283.18 = 1,281.62/x
  3. Step 3: Cross multiply
    1,656.92x = 2,283.18 × 1,281.62
  4. Step 4: Simplify right side
    1,656.92x = 2,926,169.15
  5. Step 5: Solve for x
    x = 2,926,169.15/1,656.92
  6. Step 6: Final answer
    x = 1,766.03

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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.