Home / 2,947.26-4,420.89-1,000.83

Finding the Fourth Proportional to 2,947.26, 4,420.89 and 1,000.83

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Solution

The fourth proportional to 2,947.26, 4,420.89 and 1,000.83 is: 1,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.26 : 4,420.89 = 1,000.83 : x
  2. Step 2: Convert to fraction form
    2,947.26/4,420.89 = 1,000.83/x
  3. Step 3: Cross multiply
    2,947.26x = 4,420.89 × 1,000.83
  4. Step 4: Simplify right side
    2,947.26x = 4,424,559.34
  5. Step 5: Solve for x
    x = 4,424,559.34/2,947.26
  6. Step 6: Final answer
    x = 1,501.25

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Similar ratio
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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.