Home / 2,947.29-4,420.94-1,486.10

Finding the Fourth Proportional to 2,947.29, 4,420.94 and 1,486.10

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Solution

The fourth proportional to 2,947.29, 4,420.94 and 1,486.10 is: 2,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.29 : 4,420.94 = 1,486.10 : x
  2. Step 2: Convert to fraction form
    2,947.29/4,420.94 = 1,486.10/x
  3. Step 3: Cross multiply
    2,947.29x = 4,420.94 × 1,486.10
  4. Step 4: Simplify right side
    2,947.29x = 6,569,929.40
  5. Step 5: Solve for x
    x = 6,569,929.40/2,947.29
  6. Step 6: Final answer
    x = 2,229.14

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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.