Home / 2,960.86-4,418.06-2,650.57

Finding the Fourth Proportional to 2,960.86, 4,418.06 and 2,650.57

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Solution

The fourth proportional to 2,960.86, 4,418.06 and 2,650.57 is: 3,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.86 : 4,418.06 = 2,650.57 : x
  2. Step 2: Convert to fraction form
    2,960.86/4,418.06 = 2,650.57/x
  3. Step 3: Cross multiply
    2,960.86x = 4,418.06 × 2,650.57
  4. Step 4: Simplify right side
    2,960.86x = 11,710,377.29
  5. Step 5: Solve for x
    x = 11,710,377.29/2,960.86
  6. Step 6: Final answer
    x = 3,955.06

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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.