Home / 1,767.08-2,438.44-1,347.68

Finding the Fourth Proportional to 1,767.08, 2,438.44 and 1,347.68

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Solution

The fourth proportional to 1,767.08, 2,438.44 and 1,347.68 is: 1,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.08 : 2,438.44 = 1,347.68 : x
  2. Step 2: Convert to fraction form
    1,767.08/2,438.44 = 1,347.68/x
  3. Step 3: Cross multiply
    1,767.08x = 2,438.44 × 1,347.68
  4. Step 4: Simplify right side
    1,767.08x = 3,286,236.82
  5. Step 5: Solve for x
    x = 3,286,236.82/1,767.08
  6. Step 6: Final answer
    x = 1,859.70

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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.