Home / 2,772.66-4,158.84-923.70

Finding the Fourth Proportional to 2,772.66, 4,158.84 and 923.70

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Solution

The fourth proportional to 2,772.66, 4,158.84 and 923.70 is: 1,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.66 : 4,158.84 = 923.70 : x
  2. Step 2: Convert to fraction form
    2,772.66/4,158.84 = 923.70/x
  3. Step 3: Cross multiply
    2,772.66x = 4,158.84 × 923.70
  4. Step 4: Simplify right side
    2,772.66x = 3,841,520.51
  5. Step 5: Solve for x
    x = 3,841,520.51/2,772.66
  6. Step 6: Final answer
    x = 1,385.50

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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.