Home / 2,836.10-3,916.80-2,526.88

Finding the Fourth Proportional to 2,836.10, 3,916.80 and 2,526.88

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Solution

The fourth proportional to 2,836.10, 3,916.80 and 2,526.88 is: 3,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.10 : 3,916.80 = 2,526.88 : x
  2. Step 2: Convert to fraction form
    2,836.10/3,916.80 = 2,526.88/x
  3. Step 3: Cross multiply
    2,836.10x = 3,916.80 × 2,526.88
  4. Step 4: Simplify right side
    2,836.10x = 9,897,273.79
  5. Step 5: Solve for x
    x = 9,897,273.79/2,836.10
  6. Step 6: Final answer
    x = 3,489.75

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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.