Home / 2,972.18-4,102.35-1,852.52

Finding the Fourth Proportional to 2,972.18, 4,102.35 and 1,852.52

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Solution

The fourth proportional to 2,972.18, 4,102.35 and 1,852.52 is: 2,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.18 : 4,102.35 = 1,852.52 : x
  2. Step 2: Convert to fraction form
    2,972.18/4,102.35 = 1,852.52/x
  3. Step 3: Cross multiply
    2,972.18x = 4,102.35 × 1,852.52
  4. Step 4: Simplify right side
    2,972.18x = 7,599,664.91
  5. Step 5: Solve for x
    x = 7,599,664.91/2,972.18
  6. Step 6: Final answer
    x = 2,556.94

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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.