Home / 2,401.13-3,582.84-2,155.70

Finding the Fourth Proportional to 2,401.13, 3,582.84 and 2,155.70

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Solution

The fourth proportional to 2,401.13, 3,582.84 and 2,155.70 is: 3,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.13 : 3,582.84 = 2,155.70 : x
  2. Step 2: Convert to fraction form
    2,401.13/3,582.84 = 2,155.70/x
  3. Step 3: Cross multiply
    2,401.13x = 3,582.84 × 2,155.70
  4. Step 4: Simplify right side
    2,401.13x = 7,723,510.27
  5. Step 5: Solve for x
    x = 7,723,510.27/2,401.13
  6. Step 6: Final answer
    x = 3,216.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.