Home / 3,615.14-4,988.58-2,082.12

Finding the Fourth Proportional to 3,615.14, 4,988.58 and 2,082.12

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Solution

The fourth proportional to 3,615.14, 4,988.58 and 2,082.12 is: 2,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.14 : 4,988.58 = 2,082.12 : x
  2. Step 2: Convert to fraction form
    3,615.14/4,988.58 = 2,082.12/x
  3. Step 3: Cross multiply
    3,615.14x = 4,988.58 × 2,082.12
  4. Step 4: Simplify right side
    3,615.14x = 10,386,822.19
  5. Step 5: Solve for x
    x = 10,386,822.19/3,615.14
  6. Step 6: Final answer
    x = 2,873.15

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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.