Home / 1,675.60-2,310.68-1,543.17

Finding the Fourth Proportional to 1,675.60, 2,310.68 and 1,543.17

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Solution

The fourth proportional to 1,675.60, 2,310.68 and 1,543.17 is: 2,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.60 : 2,310.68 = 1,543.17 : x
  2. Step 2: Convert to fraction form
    1,675.60/2,310.68 = 1,543.17/x
  3. Step 3: Cross multiply
    1,675.60x = 2,310.68 × 1,543.17
  4. Step 4: Simplify right side
    1,675.60x = 3,565,760.50
  5. Step 5: Solve for x
    x = 3,565,760.50/1,675.60
  6. Step 6: Final answer
    x = 2,128.05

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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.