Home / 2,920.24-4,377.12-1,460.62

Finding the Fourth Proportional to 2,920.24, 4,377.12 and 1,460.62

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Solution

The fourth proportional to 2,920.24, 4,377.12 and 1,460.62 is: 2,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.24 : 4,377.12 = 1,460.62 : x
  2. Step 2: Convert to fraction form
    2,920.24/4,377.12 = 1,460.62/x
  3. Step 3: Cross multiply
    2,920.24x = 4,377.12 × 1,460.62
  4. Step 4: Simplify right side
    2,920.24x = 6,393,309.01
  5. Step 5: Solve for x
    x = 6,393,309.01/2,920.24
  6. Step 6: Final answer
    x = 2,189.31

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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.