Home / 2,428.50-3,643.38-1,770.06

Finding the Fourth Proportional to 2,428.50, 3,643.38 and 1,770.06

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Solution

The fourth proportional to 2,428.50, 3,643.38 and 1,770.06 is: 2,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.50 : 3,643.38 = 1,770.06 : x
  2. Step 2: Convert to fraction form
    2,428.50/3,643.38 = 1,770.06/x
  3. Step 3: Cross multiply
    2,428.50x = 3,643.38 × 1,770.06
  4. Step 4: Simplify right side
    2,428.50x = 6,449,001.20
  5. Step 5: Solve for x
    x = 6,449,001.20/2,428.50
  6. Step 6: Final answer
    x = 2,655.55

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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.