Home / 1,674.37-2,310.57-928.30

Finding the Fourth Proportional to 1,674.37, 2,310.57 and 928.30

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Solution

The fourth proportional to 1,674.37, 2,310.57 and 928.30 is: 1,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.37 : 2,310.57 = 928.30 : x
  2. Step 2: Convert to fraction form
    1,674.37/2,310.57 = 928.30/x
  3. Step 3: Cross multiply
    1,674.37x = 2,310.57 × 928.30
  4. Step 4: Simplify right side
    1,674.37x = 2,144,902.13
  5. Step 5: Solve for x
    x = 2,144,902.13/1,674.37
  6. Step 6: Final answer
    x = 1,281.02

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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.