Home / 2,693.12-3,715.60-2,063.76

Finding the Fourth Proportional to 2,693.12, 3,715.60 and 2,063.76

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Solution

The fourth proportional to 2,693.12, 3,715.60 and 2,063.76 is: 2,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.12 : 3,715.60 = 2,063.76 : x
  2. Step 2: Convert to fraction form
    2,693.12/3,715.60 = 2,063.76/x
  3. Step 3: Cross multiply
    2,693.12x = 3,715.60 × 2,063.76
  4. Step 4: Simplify right side
    2,693.12x = 7,668,106.66
  5. Step 5: Solve for x
    x = 7,668,106.66/2,693.12
  6. Step 6: Final answer
    x = 2,847.29

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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.