Home / 1,543.65-2,308.60-1,371.43

Finding the Fourth Proportional to 1,543.65, 2,308.60 and 1,371.43

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Solution

The fourth proportional to 1,543.65, 2,308.60 and 1,371.43 is: 2,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.65 : 2,308.60 = 1,371.43 : x
  2. Step 2: Convert to fraction form
    1,543.65/2,308.60 = 1,371.43/x
  3. Step 3: Cross multiply
    1,543.65x = 2,308.60 × 1,371.43
  4. Step 4: Simplify right side
    1,543.65x = 3,166,083.30
  5. Step 5: Solve for x
    x = 3,166,083.30/1,543.65
  6. Step 6: Final answer
    x = 2,051.04

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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.