Home / 3,267.81-4,510.08-2,091.69

Finding the Fourth Proportional to 3,267.81, 4,510.08 and 2,091.69

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Solution

The fourth proportional to 3,267.81, 4,510.08 and 2,091.69 is: 2,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.81 : 4,510.08 = 2,091.69 : x
  2. Step 2: Convert to fraction form
    3,267.81/4,510.08 = 2,091.69/x
  3. Step 3: Cross multiply
    3,267.81x = 4,510.08 × 2,091.69
  4. Step 4: Simplify right side
    3,267.81x = 9,433,689.24
  5. Step 5: Solve for x
    x = 9,433,689.24/3,267.81
  6. Step 6: Final answer
    x = 2,886.85

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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.