Home / 2,252.09-3,376.38-1,430.21

Finding the Fourth Proportional to 2,252.09, 3,376.38 and 1,430.21

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Solution

The fourth proportional to 2,252.09, 3,376.38 and 1,430.21 is: 2,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.09 : 3,376.38 = 1,430.21 : x
  2. Step 2: Convert to fraction form
    2,252.09/3,376.38 = 1,430.21/x
  3. Step 3: Cross multiply
    2,252.09x = 3,376.38 × 1,430.21
  4. Step 4: Simplify right side
    2,252.09x = 4,828,932.44
  5. Step 5: Solve for x
    x = 4,828,932.44/2,252.09
  6. Step 6: Final answer
    x = 2,144.20

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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.