Home / 2,291.52-3,162.11-1,347.35

Finding the Fourth Proportional to 2,291.52, 3,162.11 and 1,347.35

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Solution

The fourth proportional to 2,291.52, 3,162.11 and 1,347.35 is: 1,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.52 : 3,162.11 = 1,347.35 : x
  2. Step 2: Convert to fraction form
    2,291.52/3,162.11 = 1,347.35/x
  3. Step 3: Cross multiply
    2,291.52x = 3,162.11 × 1,347.35
  4. Step 4: Simplify right side
    2,291.52x = 4,260,446.36
  5. Step 5: Solve for x
    x = 4,260,446.36/2,291.52
  6. Step 6: Final answer
    x = 1,859.22

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1.5x scale

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.