Home / 2,860.48-4,298.78-1,691.03

Finding the Fourth Proportional to 2,860.48, 4,298.78 and 1,691.03

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Solution

The fourth proportional to 2,860.48, 4,298.78 and 1,691.03 is: 2,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.48 : 4,298.78 = 1,691.03 : x
  2. Step 2: Convert to fraction form
    2,860.48/4,298.78 = 1,691.03/x
  3. Step 3: Cross multiply
    2,860.48x = 4,298.78 × 1,691.03
  4. Step 4: Simplify right side
    2,860.48x = 7,269,380.92
  5. Step 5: Solve for x
    x = 7,269,380.92/2,860.48
  6. Step 6: Final answer
    x = 2,541.32

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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.