Home / 2,674.28-3,690.90-1,626.14

Finding the Fourth Proportional to 2,674.28, 3,690.90 and 1,626.14

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Solution

The fourth proportional to 2,674.28, 3,690.90 and 1,626.14 is: 2,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.28 : 3,690.90 = 1,626.14 : x
  2. Step 2: Convert to fraction form
    2,674.28/3,690.90 = 1,626.14/x
  3. Step 3: Cross multiply
    2,674.28x = 3,690.90 × 1,626.14
  4. Step 4: Simplify right side
    2,674.28x = 6,001,920.13
  5. Step 5: Solve for x
    x = 6,001,920.13/2,674.28
  6. Step 6: Final answer
    x = 2,244.31

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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.