Home / 3,555.12-5,332.14-1,364.88

Finding the Fourth Proportional to 3,555.12, 5,332.14 and 1,364.88

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Solution

The fourth proportional to 3,555.12, 5,332.14 and 1,364.88 is: 2,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.12 : 5,332.14 = 1,364.88 : x
  2. Step 2: Convert to fraction form
    3,555.12/5,332.14 = 1,364.88/x
  3. Step 3: Cross multiply
    3,555.12x = 5,332.14 × 1,364.88
  4. Step 4: Simplify right side
    3,555.12x = 7,277,731.24
  5. Step 5: Solve for x
    x = 7,277,731.24/3,555.12
  6. Step 6: Final answer
    x = 2,047.11

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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.