Home / 3,652.65-5,479.74-1,187.52

Finding the Fourth Proportional to 3,652.65, 5,479.74 and 1,187.52

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Solution

The fourth proportional to 3,652.65, 5,479.74 and 1,187.52 is: 1,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.65 : 5,479.74 = 1,187.52 : x
  2. Step 2: Convert to fraction form
    3,652.65/5,479.74 = 1,187.52/x
  3. Step 3: Cross multiply
    3,652.65x = 5,479.74 × 1,187.52
  4. Step 4: Simplify right side
    3,652.65x = 6,507,300.84
  5. Step 5: Solve for x
    x = 6,507,300.84/3,652.65
  6. Step 6: Final answer
    x = 1,781.53

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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.