Home / 1,674.38-2,309.10-1,084.26

Finding the Fourth Proportional to 1,674.38, 2,309.10 and 1,084.26

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Solution

The fourth proportional to 1,674.38, 2,309.10 and 1,084.26 is: 1,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.38 : 2,309.10 = 1,084.26 : x
  2. Step 2: Convert to fraction form
    1,674.38/2,309.10 = 1,084.26/x
  3. Step 3: Cross multiply
    1,674.38x = 2,309.10 × 1,084.26
  4. Step 4: Simplify right side
    1,674.38x = 2,503,664.77
  5. Step 5: Solve for x
    x = 2,503,664.77/1,674.38
  6. Step 6: Final answer
    x = 1,495.28

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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.