Home / 3,547.60-5,322.16-1,239.04

Finding the Fourth Proportional to 3,547.60, 5,322.16 and 1,239.04

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Solution

The fourth proportional to 3,547.60, 5,322.16 and 1,239.04 is: 1,858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.60 : 5,322.16 = 1,239.04 : x
  2. Step 2: Convert to fraction form
    3,547.60/5,322.16 = 1,239.04/x
  3. Step 3: Cross multiply
    3,547.60x = 5,322.16 × 1,239.04
  4. Step 4: Simplify right side
    3,547.60x = 6,594,369.13
  5. Step 5: Solve for x
    x = 6,594,369.13/3,547.60
  6. Step 6: Final answer
    x = 1,858.83

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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.