Home / 1,910.20-2,865.32-1,598.55

Finding the Fourth Proportional to 1,910.20, 2,865.32 and 1,598.55

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Solution

The fourth proportional to 1,910.20, 2,865.32 and 1,598.55 is: 2,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.20 : 2,865.32 = 1,598.55 : x
  2. Step 2: Convert to fraction form
    1,910.20/2,865.32 = 1,598.55/x
  3. Step 3: Cross multiply
    1,910.20x = 2,865.32 × 1,598.55
  4. Step 4: Simplify right side
    1,910.20x = 4,580,357.29
  5. Step 5: Solve for x
    x = 4,580,357.29/1,910.20
  6. Step 6: Final answer
    x = 2,397.84

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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.