Home / 3,513.78-4,840.56-3,261.06

Finding the Fourth Proportional to 3,513.78, 4,840.56 and 3,261.06

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Solution

The fourth proportional to 3,513.78, 4,840.56 and 3,261.06 is: 4,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.78 : 4,840.56 = 3,261.06 : x
  2. Step 2: Convert to fraction form
    3,513.78/4,840.56 = 3,261.06/x
  3. Step 3: Cross multiply
    3,513.78x = 4,840.56 × 3,261.06
  4. Step 4: Simplify right side
    3,513.78x = 15,785,356.59
  5. Step 5: Solve for x
    x = 15,785,356.59/3,513.78
  6. Step 6: Final answer
    x = 4,492.41

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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.