Home / 1,769.33-2,437.80-1,178.84

Finding the Fourth Proportional to 1,769.33, 2,437.80 and 1,178.84

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Solution

The fourth proportional to 1,769.33, 2,437.80 and 1,178.84 is: 1,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.33 : 2,437.80 = 1,178.84 : x
  2. Step 2: Convert to fraction form
    1,769.33/2,437.80 = 1,178.84/x
  3. Step 3: Cross multiply
    1,769.33x = 2,437.80 × 1,178.84
  4. Step 4: Simplify right side
    1,769.33x = 2,873,763.96
  5. Step 5: Solve for x
    x = 2,873,763.96/1,769.33
  6. Step 6: Final answer
    x = 1,624.21

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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.