Home / 3,151.46-4,341.54-2,205.62

Finding the Fourth Proportional to 3,151.46, 4,341.54 and 2,205.62

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Solution

The fourth proportional to 3,151.46, 4,341.54 and 2,205.62 is: 3,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.46 : 4,341.54 = 2,205.62 : x
  2. Step 2: Convert to fraction form
    3,151.46/4,341.54 = 2,205.62/x
  3. Step 3: Cross multiply
    3,151.46x = 4,341.54 × 2,205.62
  4. Step 4: Simplify right side
    3,151.46x = 9,575,787.45
  5. Step 5: Solve for x
    x = 9,575,787.45/3,151.46
  6. Step 6: Final answer
    x = 3,038.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.