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Finding the Fourth Proportional to 1,955.32, 2,932.04 and 655.88

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Solution

The fourth proportional to 1,955.32, 2,932.04 and 655.88 is: 983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.32 : 2,932.04 = 655.88 : x
  2. Step 2: Convert to fraction form
    1,955.32/2,932.04 = 655.88/x
  3. Step 3: Cross multiply
    1,955.32x = 2,932.04 × 655.88
  4. Step 4: Simplify right side
    1,955.32x = 1,923,066.40
  5. Step 5: Solve for x
    x = 1,923,066.40/1,955.32
  6. Step 6: Final answer
    x = 983.50

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1.5x scale

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.