Home / 2,126.40-3,184.02-1,470.30

Finding the Fourth Proportional to 2,126.40, 3,184.02 and 1,470.30

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Solution

The fourth proportional to 2,126.40, 3,184.02 and 1,470.30 is: 2,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.40 : 3,184.02 = 1,470.30 : x
  2. Step 2: Convert to fraction form
    2,126.40/3,184.02 = 1,470.30/x
  3. Step 3: Cross multiply
    2,126.40x = 3,184.02 × 1,470.30
  4. Step 4: Simplify right side
    2,126.40x = 4,681,464.61
  5. Step 5: Solve for x
    x = 4,681,464.61/2,126.40
  6. Step 6: Final answer
    x = 2,201.59

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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.