Home / 2,923.50-4,385.73-976.17

Finding the Fourth Proportional to 2,923.50, 4,385.73 and 976.17

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Solution

The fourth proportional to 2,923.50, 4,385.73 and 976.17 is: 1,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.50 : 4,385.73 = 976.17 : x
  2. Step 2: Convert to fraction form
    2,923.50/4,385.73 = 976.17/x
  3. Step 3: Cross multiply
    2,923.50x = 4,385.73 × 976.17
  4. Step 4: Simplify right side
    2,923.50x = 4,281,218.05
  5. Step 5: Solve for x
    x = 4,281,218.05/2,923.50
  6. Step 6: Final answer
    x = 1,464.42

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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.