Home / 3,387.65-5,075.64-3,045.24

Finding the Fourth Proportional to 3,387.65, 5,075.64 and 3,045.24

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Solution

The fourth proportional to 3,387.65, 5,075.64 and 3,045.24 is: 4,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.65 : 5,075.64 = 3,045.24 : x
  2. Step 2: Convert to fraction form
    3,387.65/5,075.64 = 3,045.24/x
  3. Step 3: Cross multiply
    3,387.65x = 5,075.64 × 3,045.24
  4. Step 4: Simplify right side
    3,387.65x = 15,456,541.95
  5. Step 5: Solve for x
    x = 15,456,541.95/3,387.65
  6. Step 6: Final answer
    x = 4,562.62

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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.