Home / 2,911.60-4,367.40-1,062.10

Finding the Fourth Proportional to 2,911.60, 4,367.40 and 1,062.10

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Solution

The fourth proportional to 2,911.60, 4,367.40 and 1,062.10 is: 1,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.60 : 4,367.40 = 1,062.10 : x
  2. Step 2: Convert to fraction form
    2,911.60/4,367.40 = 1,062.10/x
  3. Step 3: Cross multiply
    2,911.60x = 4,367.40 × 1,062.10
  4. Step 4: Simplify right side
    2,911.60x = 4,638,615.54
  5. Step 5: Solve for x
    x = 4,638,615.54/2,911.60
  6. Step 6: Final answer
    x = 1,593.15

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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.