Home / 2,948.94-4,423.68-1,217.70

Finding the Fourth Proportional to 2,948.94, 4,423.68 and 1,217.70

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Solution

The fourth proportional to 2,948.94, 4,423.68 and 1,217.70 is: 1,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.94 : 4,423.68 = 1,217.70 : x
  2. Step 2: Convert to fraction form
    2,948.94/4,423.68 = 1,217.70/x
  3. Step 3: Cross multiply
    2,948.94x = 4,423.68 × 1,217.70
  4. Step 4: Simplify right side
    2,948.94x = 5,386,715.14
  5. Step 5: Solve for x
    x = 5,386,715.14/2,948.94
  6. Step 6: Final answer
    x = 1,826.66

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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.