Home / 2,910.60-4,365.90-1,061.10

Finding the Fourth Proportional to 2,910.60, 4,365.90 and 1,061.10

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Solution

The fourth proportional to 2,910.60, 4,365.90 and 1,061.10 is: 1,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.60 : 4,365.90 = 1,061.10 : x
  2. Step 2: Convert to fraction form
    2,910.60/4,365.90 = 1,061.10/x
  3. Step 3: Cross multiply
    2,910.60x = 4,365.90 × 1,061.10
  4. Step 4: Simplify right side
    2,910.60x = 4,632,656.49
  5. Step 5: Solve for x
    x = 4,632,656.49/2,910.60
  6. Step 6: Final answer
    x = 1,591.65

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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.