Home / 1,301.18-1,954.49-1,106.15

Finding the Fourth Proportional to 1,301.18, 1,954.49 and 1,106.15

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Solution

The fourth proportional to 1,301.18, 1,954.49 and 1,106.15 is: 1,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.18 : 1,954.49 = 1,106.15 : x
  2. Step 2: Convert to fraction form
    1,301.18/1,954.49 = 1,106.15/x
  3. Step 3: Cross multiply
    1,301.18x = 1,954.49 × 1,106.15
  4. Step 4: Simplify right side
    1,301.18x = 2,161,943.81
  5. Step 5: Solve for x
    x = 2,161,943.81/1,301.18
  6. Step 6: Final answer
    x = 1,661.53

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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.