Home / 3,890.52-5,836.70-1,117.13

Finding the Fourth Proportional to 3,890.52, 5,836.70 and 1,117.13

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Solution

The fourth proportional to 3,890.52, 5,836.70 and 1,117.13 is: 1,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.52 : 5,836.70 = 1,117.13 : x
  2. Step 2: Convert to fraction form
    3,890.52/5,836.70 = 1,117.13/x
  3. Step 3: Cross multiply
    3,890.52x = 5,836.70 × 1,117.13
  4. Step 4: Simplify right side
    3,890.52x = 6,520,326.28
  5. Step 5: Solve for x
    x = 6,520,326.28/3,890.52
  6. Step 6: Final answer
    x = 1,675.95

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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.