Home / 3,921.04-5,411.47-2,242.60

Finding the Fourth Proportional to 3,921.04, 5,411.47 and 2,242.60

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Solution

The fourth proportional to 3,921.04, 5,411.47 and 2,242.60 is: 3,095.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.04 : 5,411.47 = 2,242.60 : x
  2. Step 2: Convert to fraction form
    3,921.04/5,411.47 = 2,242.60/x
  3. Step 3: Cross multiply
    3,921.04x = 5,411.47 × 2,242.60
  4. Step 4: Simplify right side
    3,921.04x = 12,135,751.41
  5. Step 5: Solve for x
    x = 12,135,751.41/3,921.04
  6. Step 6: Final answer
    x = 3,095.03

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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.