Home / 2,166.48-3,250.80-934.20

Finding the Fourth Proportional to 2,166.48, 3,250.80 and 934.20

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Solution

The fourth proportional to 2,166.48, 3,250.80 and 934.20 is: 1,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.48 : 3,250.80 = 934.20 : x
  2. Step 2: Convert to fraction form
    2,166.48/3,250.80 = 934.20/x
  3. Step 3: Cross multiply
    2,166.48x = 3,250.80 × 934.20
  4. Step 4: Simplify right side
    2,166.48x = 3,036,897.36
  5. Step 5: Solve for x
    x = 3,036,897.36/2,166.48
  6. Step 6: Final answer
    x = 1,401.77

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1.5x scale

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.