Home / 1,543.64-2,316.30-849.44

Finding the Fourth Proportional to 1,543.64, 2,316.30 and 849.44

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Solution

The fourth proportional to 1,543.64, 2,316.30 and 849.44 is: 1,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.64 : 2,316.30 = 849.44 : x
  2. Step 2: Convert to fraction form
    1,543.64/2,316.30 = 849.44/x
  3. Step 3: Cross multiply
    1,543.64x = 2,316.30 × 849.44
  4. Step 4: Simplify right side
    1,543.64x = 1,967,557.87
  5. Step 5: Solve for x
    x = 1,967,557.87/1,543.64
  6. Step 6: Final answer
    x = 1,274.62

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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.