Home / 3,655.68-5,045.28-2,084.16

Finding the Fourth Proportional to 3,655.68, 5,045.28 and 2,084.16

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Solution

The fourth proportional to 3,655.68, 5,045.28 and 2,084.16 is: 2,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.68 : 5,045.28 = 2,084.16 : x
  2. Step 2: Convert to fraction form
    3,655.68/5,045.28 = 2,084.16/x
  3. Step 3: Cross multiply
    3,655.68x = 5,045.28 × 2,084.16
  4. Step 4: Simplify right side
    3,655.68x = 10,515,170.76
  5. Step 5: Solve for x
    x = 10,515,170.76/3,655.68
  6. Step 6: Final answer
    x = 2,876.39

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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.