Home / 3,077.50-4,616.25-1,025.50

Finding the Fourth Proportional to 3,077.50, 4,616.25 and 1,025.50

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Solution

The fourth proportional to 3,077.50, 4,616.25 and 1,025.50 is: 1,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.50 : 4,616.25 = 1,025.50 : x
  2. Step 2: Convert to fraction form
    3,077.50/4,616.25 = 1,025.50/x
  3. Step 3: Cross multiply
    3,077.50x = 4,616.25 × 1,025.50
  4. Step 4: Simplify right side
    3,077.50x = 4,733,964.38
  5. Step 5: Solve for x
    x = 4,733,964.38/3,077.50
  6. Step 6: Final answer
    x = 1,538.25

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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.