Home / 3,435.60-5,153.48-1,097.20

Finding the Fourth Proportional to 3,435.60, 5,153.48 and 1,097.20

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Solution

The fourth proportional to 3,435.60, 5,153.48 and 1,097.20 is: 1,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.60 : 5,153.48 = 1,097.20 : x
  2. Step 2: Convert to fraction form
    3,435.60/5,153.48 = 1,097.20/x
  3. Step 3: Cross multiply
    3,435.60x = 5,153.48 × 1,097.20
  4. Step 4: Simplify right side
    3,435.60x = 5,654,398.26
  5. Step 5: Solve for x
    x = 5,654,398.26/3,435.60
  6. Step 6: Final answer
    x = 1,645.83

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1.5x scale

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.