Home / 3,007.86-4,511.85-1,158.76

Finding the Fourth Proportional to 3,007.86, 4,511.85 and 1,158.76

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Solution

The fourth proportional to 3,007.86, 4,511.85 and 1,158.76 is: 1,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.86 : 4,511.85 = 1,158.76 : x
  2. Step 2: Convert to fraction form
    3,007.86/4,511.85 = 1,158.76/x
  3. Step 3: Cross multiply
    3,007.86x = 4,511.85 × 1,158.76
  4. Step 4: Simplify right side
    3,007.86x = 5,228,151.31
  5. Step 5: Solve for x
    x = 5,228,151.31/3,007.86
  6. Step 6: Final answer
    x = 1,738.16

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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.