Home / 2,626.20-3,931.20-2,545.20

Finding the Fourth Proportional to 2,626.20, 3,931.20 and 2,545.20

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Solution

The fourth proportional to 2,626.20, 3,931.20 and 2,545.20 is: 3,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.20 : 3,931.20 = 2,545.20 : x
  2. Step 2: Convert to fraction form
    2,626.20/3,931.20 = 2,545.20/x
  3. Step 3: Cross multiply
    2,626.20x = 3,931.20 × 2,545.20
  4. Step 4: Simplify right side
    2,626.20x = 10,005,690.24
  5. Step 5: Solve for x
    x = 10,005,690.24/2,626.20
  6. Step 6: Final answer
    x = 3,809.95

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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.