Home / 3,154.40-4,354.56-1,827.62

Finding the Fourth Proportional to 3,154.40, 4,354.56 and 1,827.62

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Solution

The fourth proportional to 3,154.40, 4,354.56 and 1,827.62 is: 2,522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.40 : 4,354.56 = 1,827.62 : x
  2. Step 2: Convert to fraction form
    3,154.40/4,354.56 = 1,827.62/x
  3. Step 3: Cross multiply
    3,154.40x = 4,354.56 × 1,827.62
  4. Step 4: Simplify right side
    3,154.40x = 7,958,459.17
  5. Step 5: Solve for x
    x = 7,958,459.17/3,154.40
  6. Step 6: Final answer
    x = 2,522.97

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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.