Home / 2,356.85-3,252.60-1,308.91

Finding the Fourth Proportional to 2,356.85, 3,252.60 and 1,308.91

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Solution

The fourth proportional to 2,356.85, 3,252.60 and 1,308.91 is: 1,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.85 : 3,252.60 = 1,308.91 : x
  2. Step 2: Convert to fraction form
    2,356.85/3,252.60 = 1,308.91/x
  3. Step 3: Cross multiply
    2,356.85x = 3,252.60 × 1,308.91
  4. Step 4: Simplify right side
    2,356.85x = 4,257,360.67
  5. Step 5: Solve for x
    x = 4,257,360.67/2,356.85
  6. Step 6: Final answer
    x = 1,806.38

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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.