Home / 2,347.86-3,519.51-1,306.91

Finding the Fourth Proportional to 2,347.86, 3,519.51 and 1,306.91

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Solution

The fourth proportional to 2,347.86, 3,519.51 and 1,306.91 is: 1,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.86 : 3,519.51 = 1,306.91 : x
  2. Step 2: Convert to fraction form
    2,347.86/3,519.51 = 1,306.91/x
  3. Step 3: Cross multiply
    2,347.86x = 3,519.51 × 1,306.91
  4. Step 4: Simplify right side
    2,347.86x = 4,599,682.81
  5. Step 5: Solve for x
    x = 4,599,682.81/2,347.86
  6. Step 6: Final answer
    x = 1,959.10

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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.