Home / 2,775.06-4,165.02-1,543.86

Finding the Fourth Proportional to 2,775.06, 4,165.02 and 1,543.86

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Solution

The fourth proportional to 2,775.06, 4,165.02 and 1,543.86 is: 2,317.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.06 : 4,165.02 = 1,543.86 : x
  2. Step 2: Convert to fraction form
    2,775.06/4,165.02 = 1,543.86/x
  3. Step 3: Cross multiply
    2,775.06x = 4,165.02 × 1,543.86
  4. Step 4: Simplify right side
    2,775.06x = 6,430,207.78
  5. Step 5: Solve for x
    x = 6,430,207.78/2,775.06
  6. Step 6: Final answer
    x = 2,317.14

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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.