Home / 3,111.08-4,293.60-2,323.76

Finding the Fourth Proportional to 3,111.08, 4,293.60 and 2,323.76

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Solution

The fourth proportional to 3,111.08, 4,293.60 and 2,323.76 is: 3,207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.08 : 4,293.60 = 2,323.76 : x
  2. Step 2: Convert to fraction form
    3,111.08/4,293.60 = 2,323.76/x
  3. Step 3: Cross multiply
    3,111.08x = 4,293.60 × 2,323.76
  4. Step 4: Simplify right side
    3,111.08x = 9,977,306.67
  5. Step 5: Solve for x
    x = 9,977,306.67/3,111.08
  6. Step 6: Final answer
    x = 3,207.02

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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.