Home / 2,980.40-4,468.02-1,250.24

Finding the Fourth Proportional to 2,980.40, 4,468.02 and 1,250.24

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Solution

The fourth proportional to 2,980.40, 4,468.02 and 1,250.24 is: 1,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.40 : 4,468.02 = 1,250.24 : x
  2. Step 2: Convert to fraction form
    2,980.40/4,468.02 = 1,250.24/x
  3. Step 3: Cross multiply
    2,980.40x = 4,468.02 × 1,250.24
  4. Step 4: Simplify right side
    2,980.40x = 5,586,097.32
  5. Step 5: Solve for x
    x = 5,586,097.32/2,980.40
  6. Step 6: Final answer
    x = 1,874.28

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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.