Home / 1,381.16-2,060.48-1,136.94

Finding the Fourth Proportional to 1,381.16, 2,060.48 and 1,136.94

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Solution

The fourth proportional to 1,381.16, 2,060.48 and 1,136.94 is: 1,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381.16 : 2,060.48 = 1,136.94 : x
  2. Step 2: Convert to fraction form
    1,381.16/2,060.48 = 1,136.94/x
  3. Step 3: Cross multiply
    1,381.16x = 2,060.48 × 1,136.94
  4. Step 4: Simplify right side
    1,381.16x = 2,342,642.13
  5. Step 5: Solve for x
    x = 2,342,642.13/1,381.16
  6. Step 6: Final answer
    x = 1,696.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.