Home / 3,081.57-4,622.79-1,000.91

Finding the Fourth Proportional to 3,081.57, 4,622.79 and 1,000.91

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Solution

The fourth proportional to 3,081.57, 4,622.79 and 1,000.91 is: 1,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.57 : 4,622.79 = 1,000.91 : x
  2. Step 2: Convert to fraction form
    3,081.57/4,622.79 = 1,000.91/x
  3. Step 3: Cross multiply
    3,081.57x = 4,622.79 × 1,000.91
  4. Step 4: Simplify right side
    3,081.57x = 4,626,980.42
  5. Step 5: Solve for x
    x = 4,626,980.42/3,081.57
  6. Step 6: Final answer
    x = 1,501.50

Related Problems

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Half scale
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Double scale
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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.