Home / 3,807.30-5,711.76-2,075.52

Finding the Fourth Proportional to 3,807.30, 5,711.76 and 2,075.52

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Solution

The fourth proportional to 3,807.30, 5,711.76 and 2,075.52 is: 3,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.30 : 5,711.76 = 2,075.52 : x
  2. Step 2: Convert to fraction form
    3,807.30/5,711.76 = 2,075.52/x
  3. Step 3: Cross multiply
    3,807.30x = 5,711.76 × 2,075.52
  4. Step 4: Simplify right side
    3,807.30x = 11,854,872.12
  5. Step 5: Solve for x
    x = 11,854,872.12/3,807.30
  6. Step 6: Final answer
    x = 3,113.72

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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.