Home / 1,770.34-2,443.13-984.44

Finding the Fourth Proportional to 1,770.34, 2,443.13 and 984.44

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Solution

The fourth proportional to 1,770.34, 2,443.13 and 984.44 is: 1,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.34 : 2,443.13 = 984.44 : x
  2. Step 2: Convert to fraction form
    1,770.34/2,443.13 = 984.44/x
  3. Step 3: Cross multiply
    1,770.34x = 2,443.13 × 984.44
  4. Step 4: Simplify right side
    1,770.34x = 2,405,114.90
  5. Step 5: Solve for x
    x = 2,405,114.90/1,770.34
  6. Step 6: Final answer
    x = 1,358.56

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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.