Home / 2,477.16-3,418.20-2,103.48

Finding the Fourth Proportional to 2,477.16, 3,418.20 and 2,103.48

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Solution

The fourth proportional to 2,477.16, 3,418.20 and 2,103.48 is: 2,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.16 : 3,418.20 = 2,103.48 : x
  2. Step 2: Convert to fraction form
    2,477.16/3,418.20 = 2,103.48/x
  3. Step 3: Cross multiply
    2,477.16x = 3,418.20 × 2,103.48
  4. Step 4: Simplify right side
    2,477.16x = 7,190,115.34
  5. Step 5: Solve for x
    x = 7,190,115.34/2,477.16
  6. Step 6: Final answer
    x = 2,902.56

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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.