Home / 1,301.57-1,954.34-1,136.95

Finding the Fourth Proportional to 1,301.57, 1,954.34 and 1,136.95

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Solution

The fourth proportional to 1,301.57, 1,954.34 and 1,136.95 is: 1,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.57 : 1,954.34 = 1,136.95 : x
  2. Step 2: Convert to fraction form
    1,301.57/1,954.34 = 1,136.95/x
  3. Step 3: Cross multiply
    1,301.57x = 1,954.34 × 1,136.95
  4. Step 4: Simplify right side
    1,301.57x = 2,221,971.41
  5. Step 5: Solve for x
    x = 2,221,971.41/1,301.57
  6. Step 6: Final answer
    x = 1,707.15

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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.