Home / 3,555.10-5,332.28-1,089.93

Finding the Fourth Proportional to 3,555.10, 5,332.28 and 1,089.93

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Solution

The fourth proportional to 3,555.10, 5,332.28 and 1,089.93 is: 1,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.10 : 5,332.28 = 1,089.93 : x
  2. Step 2: Convert to fraction form
    3,555.10/5,332.28 = 1,089.93/x
  3. Step 3: Cross multiply
    3,555.10x = 5,332.28 × 1,089.93
  4. Step 4: Simplify right side
    3,555.10x = 5,811,806.49
  5. Step 5: Solve for x
    x = 5,811,806.49/3,555.10
  6. Step 6: Final answer
    x = 1,634.78

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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.