Home / 3,038.45-4,557.67-847.36

Finding the Fourth Proportional to 3,038.45, 4,557.67 and 847.36

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Solution

The fourth proportional to 3,038.45, 4,557.67 and 847.36 is: 1,271.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.45 : 4,557.67 = 847.36 : x
  2. Step 2: Convert to fraction form
    3,038.45/4,557.67 = 847.36/x
  3. Step 3: Cross multiply
    3,038.45x = 4,557.67 × 847.36
  4. Step 4: Simplify right side
    3,038.45x = 3,861,990.83
  5. Step 5: Solve for x
    x = 3,861,990.83/3,038.45
  6. Step 6: Final answer
    x = 1,271.04

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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.