Home / 1,846.02-2,770.60-921.30

Finding the Fourth Proportional to 1,846.02, 2,770.60 and 921.30

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Solution

The fourth proportional to 1,846.02, 2,770.60 and 921.30 is: 1,382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.02 : 2,770.60 = 921.30 : x
  2. Step 2: Convert to fraction form
    1,846.02/2,770.60 = 921.30/x
  3. Step 3: Cross multiply
    1,846.02x = 2,770.60 × 921.30
  4. Step 4: Simplify right side
    1,846.02x = 2,552,553.78
  5. Step 5: Solve for x
    x = 2,552,553.78/1,846.02
  6. Step 6: Final answer
    x = 1,382.73

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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.