Home / 3,008.90-4,511.72-1,158.32

Finding the Fourth Proportional to 3,008.90, 4,511.72 and 1,158.32

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Solution

The fourth proportional to 3,008.90, 4,511.72 and 1,158.32 is: 1,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.90 : 4,511.72 = 1,158.32 : x
  2. Step 2: Convert to fraction form
    3,008.90/4,511.72 = 1,158.32/x
  3. Step 3: Cross multiply
    3,008.90x = 4,511.72 × 1,158.32
  4. Step 4: Simplify right side
    3,008.90x = 5,225,987.16
  5. Step 5: Solve for x
    x = 5,225,987.16/3,008.90
  6. Step 6: Final answer
    x = 1,736.85

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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.