Home / 2,927.20-4,353.16-2,834.94

Finding the Fourth Proportional to 2,927.20, 4,353.16 and 2,834.94

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Solution

The fourth proportional to 2,927.20, 4,353.16 and 2,834.94 is: 4,215.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.20 : 4,353.16 = 2,834.94 : x
  2. Step 2: Convert to fraction form
    2,927.20/4,353.16 = 2,834.94/x
  3. Step 3: Cross multiply
    2,927.20x = 4,353.16 × 2,834.94
  4. Step 4: Simplify right side
    2,927.20x = 12,340,947.41
  5. Step 5: Solve for x
    x = 12,340,947.41/2,927.20
  6. Step 6: Final answer
    x = 4,215.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.