Home / 1,770.45-2,443.37-984.75

Finding the Fourth Proportional to 1,770.45, 2,443.37 and 984.75

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Solution

The fourth proportional to 1,770.45, 2,443.37 and 984.75 is: 1,359.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.45 : 2,443.37 = 984.75 : x
  2. Step 2: Convert to fraction form
    1,770.45/2,443.37 = 984.75/x
  3. Step 3: Cross multiply
    1,770.45x = 2,443.37 × 984.75
  4. Step 4: Simplify right side
    1,770.45x = 2,406,108.61
  5. Step 5: Solve for x
    x = 2,406,108.61/1,770.45
  6. Step 6: Final answer
    x = 1,359.04

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Half scale
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Double scale
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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.