Home / 1,637.67-2,454.78-1,191.84

Finding the Fourth Proportional to 1,637.67, 2,454.78 and 1,191.84

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Solution

The fourth proportional to 1,637.67, 2,454.78 and 1,191.84 is: 1,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.67 : 2,454.78 = 1,191.84 : x
  2. Step 2: Convert to fraction form
    1,637.67/2,454.78 = 1,191.84/x
  3. Step 3: Cross multiply
    1,637.67x = 2,454.78 × 1,191.84
  4. Step 4: Simplify right side
    1,637.67x = 2,925,705.00
  5. Step 5: Solve for x
    x = 2,925,705.00/1,637.67
  6. Step 6: Final answer
    x = 1,786.50

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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.