Home / 3,291.85-4,543.02-1,875.98

Finding the Fourth Proportional to 3,291.85, 4,543.02 and 1,875.98

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Solution

The fourth proportional to 3,291.85, 4,543.02 and 1,875.98 is: 2,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.85 : 4,543.02 = 1,875.98 : x
  2. Step 2: Convert to fraction form
    3,291.85/4,543.02 = 1,875.98/x
  3. Step 3: Cross multiply
    3,291.85x = 4,543.02 × 1,875.98
  4. Step 4: Simplify right side
    3,291.85x = 8,522,591.94
  5. Step 5: Solve for x
    x = 8,522,591.94/3,291.85
  6. Step 6: Final answer
    x = 2,589.00

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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.