Home / 2,391.21-3,581.51-1,463.99

Finding the Fourth Proportional to 2,391.21, 3,581.51 and 1,463.99

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Solution

The fourth proportional to 2,391.21, 3,581.51 and 1,463.99 is: 2,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.21 : 3,581.51 = 1,463.99 : x
  2. Step 2: Convert to fraction form
    2,391.21/3,581.51 = 1,463.99/x
  3. Step 3: Cross multiply
    2,391.21x = 3,581.51 × 1,463.99
  4. Step 4: Simplify right side
    2,391.21x = 5,243,280.58
  5. Step 5: Solve for x
    x = 5,243,280.58/2,391.21
  6. Step 6: Final answer
    x = 2,192.73

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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.