Home / 1,595.07-2,194.38-1,558.20

Finding the Fourth Proportional to 1,595.07, 2,194.38 and 1,558.20

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Solution

The fourth proportional to 1,595.07, 2,194.38 and 1,558.20 is: 2,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.07 : 2,194.38 = 1,558.20 : x
  2. Step 2: Convert to fraction form
    1,595.07/2,194.38 = 1,558.20/x
  3. Step 3: Cross multiply
    1,595.07x = 2,194.38 × 1,558.20
  4. Step 4: Simplify right side
    1,595.07x = 3,419,282.92
  5. Step 5: Solve for x
    x = 3,419,282.92/1,595.07
  6. Step 6: Final answer
    x = 2,143.66

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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.