Home / 2,948.73-4,424.31-999.87

Finding the Fourth Proportional to 2,948.73, 4,424.31 and 999.87

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Solution

The fourth proportional to 2,948.73, 4,424.31 and 999.87 is: 1,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.73 : 4,424.31 = 999.87 : x
  2. Step 2: Convert to fraction form
    2,948.73/4,424.31 = 999.87/x
  3. Step 3: Cross multiply
    2,948.73x = 4,424.31 × 999.87
  4. Step 4: Simplify right side
    2,948.73x = 4,423,734.84
  5. Step 5: Solve for x
    x = 4,423,734.84/2,948.73
  6. Step 6: Final answer
    x = 1,500.22

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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.