Home / 2,720.84-4,071.52-2,356.88

Finding the Fourth Proportional to 2,720.84, 4,071.52 and 2,356.88

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Solution

The fourth proportional to 2,720.84, 4,071.52 and 2,356.88 is: 3,526.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.84 : 4,071.52 = 2,356.88 : x
  2. Step 2: Convert to fraction form
    2,720.84/4,071.52 = 2,356.88/x
  3. Step 3: Cross multiply
    2,720.84x = 4,071.52 × 2,356.88
  4. Step 4: Simplify right side
    2,720.84x = 9,596,084.06
  5. Step 5: Solve for x
    x = 9,596,084.06/2,720.84
  6. Step 6: Final answer
    x = 3,526.88

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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.