Home / 3,892.06-5,368.98-2,631.46

Finding the Fourth Proportional to 3,892.06, 5,368.98 and 2,631.46

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Solution

The fourth proportional to 3,892.06, 5,368.98 and 2,631.46 is: 3,630.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.06 : 5,368.98 = 2,631.46 : x
  2. Step 2: Convert to fraction form
    3,892.06/5,368.98 = 2,631.46/x
  3. Step 3: Cross multiply
    3,892.06x = 5,368.98 × 2,631.46
  4. Step 4: Simplify right side
    3,892.06x = 14,128,256.11
  5. Step 5: Solve for x
    x = 14,128,256.11/3,892.06
  6. Step 6: Final answer
    x = 3,630.02

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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.