Home / 2,977.50-4,466.25-1,153.50

Finding the Fourth Proportional to 2,977.50, 4,466.25 and 1,153.50

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Solution

The fourth proportional to 2,977.50, 4,466.25 and 1,153.50 is: 1,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.50 : 4,466.25 = 1,153.50 : x
  2. Step 2: Convert to fraction form
    2,977.50/4,466.25 = 1,153.50/x
  3. Step 3: Cross multiply
    2,977.50x = 4,466.25 × 1,153.50
  4. Step 4: Simplify right side
    2,977.50x = 5,151,819.38
  5. Step 5: Solve for x
    x = 5,151,819.38/2,977.50
  6. Step 6: Final answer
    x = 1,730.25

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Half scale
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Double scale
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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.