Home / 1,923.40-2,654.19-1,084.12

Finding the Fourth Proportional to 1,923.40, 2,654.19 and 1,084.12

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Solution

The fourth proportional to 1,923.40, 2,654.19 and 1,084.12 is: 1,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.40 : 2,654.19 = 1,084.12 : x
  2. Step 2: Convert to fraction form
    1,923.40/2,654.19 = 1,084.12/x
  3. Step 3: Cross multiply
    1,923.40x = 2,654.19 × 1,084.12
  4. Step 4: Simplify right side
    1,923.40x = 2,877,460.46
  5. Step 5: Solve for x
    x = 2,877,460.46/1,923.40
  6. Step 6: Final answer
    x = 1,496.03

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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.