Home / 3,256.36-4,885.16-1,308.71

Finding the Fourth Proportional to 3,256.36, 4,885.16 and 1,308.71

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Solution

The fourth proportional to 3,256.36, 4,885.16 and 1,308.71 is: 1,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.36 : 4,885.16 = 1,308.71 : x
  2. Step 2: Convert to fraction form
    3,256.36/4,885.16 = 1,308.71/x
  3. Step 3: Cross multiply
    3,256.36x = 4,885.16 × 1,308.71
  4. Step 4: Simplify right side
    3,256.36x = 6,393,263.41
  5. Step 5: Solve for x
    x = 6,393,263.41/3,256.36
  6. Step 6: Final answer
    x = 1,963.32

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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.