Home / 3,547.40-5,320.08-1,696.68

Finding the Fourth Proportional to 3,547.40, 5,320.08 and 1,696.68

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Solution

The fourth proportional to 3,547.40, 5,320.08 and 1,696.68 is: 2,544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.40 : 5,320.08 = 1,696.68 : x
  2. Step 2: Convert to fraction form
    3,547.40/5,320.08 = 1,696.68/x
  3. Step 3: Cross multiply
    3,547.40x = 5,320.08 × 1,696.68
  4. Step 4: Simplify right side
    3,547.40x = 9,026,473.33
  5. Step 5: Solve for x
    x = 9,026,473.33/3,547.40
  6. Step 6: Final answer
    x = 2,544.54

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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.