Home / 3,547.29-5,321.30-1,357.86

Finding the Fourth Proportional to 3,547.29, 5,321.30 and 1,357.86

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Solution

The fourth proportional to 3,547.29, 5,321.30 and 1,357.86 is: 2,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.29 : 5,321.30 = 1,357.86 : x
  2. Step 2: Convert to fraction form
    3,547.29/5,321.30 = 1,357.86/x
  3. Step 3: Cross multiply
    3,547.29x = 5,321.30 × 1,357.86
  4. Step 4: Simplify right side
    3,547.29x = 7,225,573.63
  5. Step 5: Solve for x
    x = 7,225,573.63/3,547.29
  6. Step 6: Final answer
    x = 2,036.93

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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.