Home / 2,655.04-3,664.56-1,721.92

Finding the Fourth Proportional to 2,655.04, 3,664.56 and 1,721.92

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Solution

The fourth proportional to 2,655.04, 3,664.56 and 1,721.92 is: 2,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.04 : 3,664.56 = 1,721.92 : x
  2. Step 2: Convert to fraction form
    2,655.04/3,664.56 = 1,721.92/x
  3. Step 3: Cross multiply
    2,655.04x = 3,664.56 × 1,721.92
  4. Step 4: Simplify right side
    2,655.04x = 6,310,079.16
  5. Step 5: Solve for x
    x = 6,310,079.16/2,655.04
  6. Step 6: Final answer
    x = 2,376.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.