Home / 3,080.40-4,621.98-1,437.42

Finding the Fourth Proportional to 3,080.40, 4,621.98 and 1,437.42

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Solution

The fourth proportional to 3,080.40, 4,621.98 and 1,437.42 is: 2,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.40 : 4,621.98 = 1,437.42 : x
  2. Step 2: Convert to fraction form
    3,080.40/4,621.98 = 1,437.42/x
  3. Step 3: Cross multiply
    3,080.40x = 4,621.98 × 1,437.42
  4. Step 4: Simplify right side
    3,080.40x = 6,643,726.49
  5. Step 5: Solve for x
    x = 6,643,726.49/3,080.40
  6. Step 6: Final answer
    x = 2,156.77

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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.