Home / 1,301.93-1,955.61-1,106.90

Finding the Fourth Proportional to 1,301.93, 1,955.61 and 1,106.90

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Solution

The fourth proportional to 1,301.93, 1,955.61 and 1,106.90 is: 1,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.93 : 1,955.61 = 1,106.90 : x
  2. Step 2: Convert to fraction form
    1,301.93/1,955.61 = 1,106.90/x
  3. Step 3: Cross multiply
    1,301.93x = 1,955.61 × 1,106.90
  4. Step 4: Simplify right side
    1,301.93x = 2,164,654.93
  5. Step 5: Solve for x
    x = 2,164,654.93/1,301.93
  6. Step 6: Final answer
    x = 1,662.66

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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.