Home / 3,134.15-4,315.28-2,661.07

Finding the Fourth Proportional to 3,134.15, 4,315.28 and 2,661.07

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Solution

The fourth proportional to 3,134.15, 4,315.28 and 2,661.07 is: 3,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.15 : 4,315.28 = 2,661.07 : x
  2. Step 2: Convert to fraction form
    3,134.15/4,315.28 = 2,661.07/x
  3. Step 3: Cross multiply
    3,134.15x = 4,315.28 × 2,661.07
  4. Step 4: Simplify right side
    3,134.15x = 11,483,262.15
  5. Step 5: Solve for x
    x = 11,483,262.15/3,134.15
  6. Step 6: Final answer
    x = 3,663.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.