Home / 3,125.04-4,311.86-1,865.90

Finding the Fourth Proportional to 3,125.04, 4,311.86 and 1,865.90

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Solution

The fourth proportional to 3,125.04, 4,311.86 and 1,865.90 is: 2,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.04 : 4,311.86 = 1,865.90 : x
  2. Step 2: Convert to fraction form
    3,125.04/4,311.86 = 1,865.90/x
  3. Step 3: Cross multiply
    3,125.04x = 4,311.86 × 1,865.90
  4. Step 4: Simplify right side
    3,125.04x = 8,045,499.89
  5. Step 5: Solve for x
    x = 8,045,499.89/3,125.04
  6. Step 6: Final answer
    x = 2,574.53

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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.