Home / 2,013.71-2,778.59-1,306.53

Finding the Fourth Proportional to 2,013.71, 2,778.59 and 1,306.53

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Solution

The fourth proportional to 2,013.71, 2,778.59 and 1,306.53 is: 1,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.71 : 2,778.59 = 1,306.53 : x
  2. Step 2: Convert to fraction form
    2,013.71/2,778.59 = 1,306.53/x
  3. Step 3: Cross multiply
    2,013.71x = 2,778.59 × 1,306.53
  4. Step 4: Simplify right side
    2,013.71x = 3,630,311.19
  5. Step 5: Solve for x
    x = 3,630,311.19/2,013.71
  6. Step 6: Final answer
    x = 1,802.80

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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.