Home / 2,920.18-4,380.54-1,164.76

Finding the Fourth Proportional to 2,920.18, 4,380.54 and 1,164.76

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Solution

The fourth proportional to 2,920.18, 4,380.54 and 1,164.76 is: 1,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.18 : 4,380.54 = 1,164.76 : x
  2. Step 2: Convert to fraction form
    2,920.18/4,380.54 = 1,164.76/x
  3. Step 3: Cross multiply
    2,920.18x = 4,380.54 × 1,164.76
  4. Step 4: Simplify right side
    2,920.18x = 5,102,277.77
  5. Step 5: Solve for x
    x = 5,102,277.77/2,920.18
  6. Step 6: Final answer
    x = 1,747.25

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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.