Home / 1,852.17-2,778.90-1,159.35

Finding the Fourth Proportional to 1,852.17, 2,778.90 and 1,159.35

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Solution

The fourth proportional to 1,852.17, 2,778.90 and 1,159.35 is: 1,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.17 : 2,778.90 = 1,159.35 : x
  2. Step 2: Convert to fraction form
    1,852.17/2,778.90 = 1,159.35/x
  3. Step 3: Cross multiply
    1,852.17x = 2,778.90 × 1,159.35
  4. Step 4: Simplify right side
    1,852.17x = 3,221,717.72
  5. Step 5: Solve for x
    x = 3,221,717.72/1,852.17
  6. Step 6: Final answer
    x = 1,739.43

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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.