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Finding the Fourth Proportional to 3,595.68, 5,395.14 and 1,865.52

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Solution

The fourth proportional to 3,595.68, 5,395.14 and 1,865.52 is: 2,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.68 : 5,395.14 = 1,865.52 : x
  2. Step 2: Convert to fraction form
    3,595.68/5,395.14 = 1,865.52/x
  3. Step 3: Cross multiply
    3,595.68x = 5,395.14 × 1,865.52
  4. Step 4: Simplify right side
    3,595.68x = 10,064,741.57
  5. Step 5: Solve for x
    x = 10,064,741.57/3,595.68
  6. Step 6: Final answer
    x = 2,799.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.