Home / 2,356.70-3,252.24-1,308.80

Finding the Fourth Proportional to 2,356.70, 3,252.24 and 1,308.80

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Solution

The fourth proportional to 2,356.70, 3,252.24 and 1,308.80 is: 1,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.70 : 3,252.24 = 1,308.80 : x
  2. Step 2: Convert to fraction form
    2,356.70/3,252.24 = 1,308.80/x
  3. Step 3: Cross multiply
    2,356.70x = 3,252.24 × 1,308.80
  4. Step 4: Simplify right side
    2,356.70x = 4,256,531.71
  5. Step 5: Solve for x
    x = 4,256,531.71/2,356.70
  6. Step 6: Final answer
    x = 1,806.14

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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.