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Finding the Fourth Proportional to 1,543.74, 2,316.62 and 569.86

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Solution

The fourth proportional to 1,543.74, 2,316.62 and 569.86 is: 855.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.74 : 2,316.62 = 569.86 : x
  2. Step 2: Convert to fraction form
    1,543.74/2,316.62 = 569.86/x
  3. Step 3: Cross multiply
    1,543.74x = 2,316.62 × 569.86
  4. Step 4: Simplify right side
    1,543.74x = 1,320,149.07
  5. Step 5: Solve for x
    x = 1,320,149.07/1,543.74
  6. Step 6: Final answer
    x = 855.16

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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.