Home / 2,920.62-4,382.55-2,700.30

Finding the Fourth Proportional to 2,920.62, 4,382.55 and 2,700.30

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Solution

The fourth proportional to 2,920.62, 4,382.55 and 2,700.30 is: 4,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.62 : 4,382.55 = 2,700.30 : x
  2. Step 2: Convert to fraction form
    2,920.62/4,382.55 = 2,700.30/x
  3. Step 3: Cross multiply
    2,920.62x = 4,382.55 × 2,700.30
  4. Step 4: Simplify right side
    2,920.62x = 11,834,199.77
  5. Step 5: Solve for x
    x = 11,834,199.77/2,920.62
  6. Step 6: Final answer
    x = 4,051.95

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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.