Home / 2,948.51-4,425.68-2,166.32

Finding the Fourth Proportional to 2,948.51, 4,425.68 and 2,166.32

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Solution

The fourth proportional to 2,948.51, 4,425.68 and 2,166.32 is: 3,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.51 : 4,425.68 = 2,166.32 : x
  2. Step 2: Convert to fraction form
    2,948.51/4,425.68 = 2,166.32/x
  3. Step 3: Cross multiply
    2,948.51x = 4,425.68 × 2,166.32
  4. Step 4: Simplify right side
    2,948.51x = 9,587,428.27
  5. Step 5: Solve for x
    x = 9,587,428.27/2,948.51
  6. Step 6: Final answer
    x = 3,251.62

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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.