Home / 2,886.84-4,299.60-2,707.02

Finding the Fourth Proportional to 2,886.84, 4,299.60 and 2,707.02

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Solution

The fourth proportional to 2,886.84, 4,299.60 and 2,707.02 is: 4,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.84 : 4,299.60 = 2,707.02 : x
  2. Step 2: Convert to fraction form
    2,886.84/4,299.60 = 2,707.02/x
  3. Step 3: Cross multiply
    2,886.84x = 4,299.60 × 2,707.02
  4. Step 4: Simplify right side
    2,886.84x = 11,639,103.19
  5. Step 5: Solve for x
    x = 11,639,103.19/2,886.84
  6. Step 6: Final answer
    x = 4,031.78

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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.