Home / 1,927.04-2,658.56-1,306.56

Finding the Fourth Proportional to 1,927.04, 2,658.56 and 1,306.56

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Solution

The fourth proportional to 1,927.04, 2,658.56 and 1,306.56 is: 1,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.04 : 2,658.56 = 1,306.56 : x
  2. Step 2: Convert to fraction form
    1,927.04/2,658.56 = 1,306.56/x
  3. Step 3: Cross multiply
    1,927.04x = 2,658.56 × 1,306.56
  4. Step 4: Simplify right side
    1,927.04x = 3,473,568.15
  5. Step 5: Solve for x
    x = 3,473,568.15/1,927.04
  6. Step 6: Final answer
    x = 1,802.54

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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.