Home / 1,595.20-2,200.90-965.96

Finding the Fourth Proportional to 1,595.20, 2,200.90 and 965.96

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Solution

The fourth proportional to 1,595.20, 2,200.90 and 965.96 is: 1,332.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.20 : 2,200.90 = 965.96 : x
  2. Step 2: Convert to fraction form
    1,595.20/2,200.90 = 965.96/x
  3. Step 3: Cross multiply
    1,595.20x = 2,200.90 × 965.96
  4. Step 4: Simplify right side
    1,595.20x = 2,125,981.36
  5. Step 5: Solve for x
    x = 2,125,981.36/1,595.20
  6. Step 6: Final answer
    x = 1,332.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.