Home / 1,595.09-2,200.87-922.79

Finding the Fourth Proportional to 1,595.09, 2,200.87 and 922.79

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Solution

The fourth proportional to 1,595.09, 2,200.87 and 922.79 is: 1,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.09 : 2,200.87 = 922.79 : x
  2. Step 2: Convert to fraction form
    1,595.09/2,200.87 = 922.79/x
  3. Step 3: Cross multiply
    1,595.09x = 2,200.87 × 922.79
  4. Step 4: Simplify right side
    1,595.09x = 2,030,947.48
  5. Step 5: Solve for x
    x = 2,030,947.48/1,595.09
  6. Step 6: Final answer
    x = 1,273.25

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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.