Home / 2,670.91-4,024.18-2,411.21

Finding the Fourth Proportional to 2,670.91, 4,024.18 and 2,411.21

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Solution

The fourth proportional to 2,670.91, 4,024.18 and 2,411.21 is: 3,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.91 : 4,024.18 = 2,411.21 : x
  2. Step 2: Convert to fraction form
    2,670.91/4,024.18 = 2,411.21/x
  3. Step 3: Cross multiply
    2,670.91x = 4,024.18 × 2,411.21
  4. Step 4: Simplify right side
    2,670.91x = 9,703,122.94
  5. Step 5: Solve for x
    x = 9,703,122.94/2,670.91
  6. Step 6: Final answer
    x = 3,632.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.