Home / 2,816.15-3,884.18-2,497.48

Finding the Fourth Proportional to 2,816.15, 3,884.18 and 2,497.48

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Solution

The fourth proportional to 2,816.15, 3,884.18 and 2,497.48 is: 3,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.15 : 3,884.18 = 2,497.48 : x
  2. Step 2: Convert to fraction form
    2,816.15/3,884.18 = 2,497.48/x
  3. Step 3: Cross multiply
    2,816.15x = 3,884.18 × 2,497.48
  4. Step 4: Simplify right side
    2,816.15x = 9,700,639.67
  5. Step 5: Solve for x
    x = 9,700,639.67/2,816.15
  6. Step 6: Final answer
    x = 3,444.65

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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.