Home / 3,547.43-5,323.35-1,356.38

Finding the Fourth Proportional to 3,547.43, 5,323.35 and 1,356.38

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Solution

The fourth proportional to 3,547.43, 5,323.35 and 1,356.38 is: 2,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.43 : 5,323.35 = 1,356.38 : x
  2. Step 2: Convert to fraction form
    3,547.43/5,323.35 = 1,356.38/x
  3. Step 3: Cross multiply
    3,547.43x = 5,323.35 × 1,356.38
  4. Step 4: Simplify right side
    3,547.43x = 7,220,485.47
  5. Step 5: Solve for x
    x = 7,220,485.47/3,547.43
  6. Step 6: Final answer
    x = 2,035.41

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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.