Home / 2,465.22-3,398.28-2,091.80

Finding the Fourth Proportional to 2,465.22, 3,398.28 and 2,091.80

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Solution

The fourth proportional to 2,465.22, 3,398.28 and 2,091.80 is: 2,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.22 : 3,398.28 = 2,091.80 : x
  2. Step 2: Convert to fraction form
    2,465.22/3,398.28 = 2,091.80/x
  3. Step 3: Cross multiply
    2,465.22x = 3,398.28 × 2,091.80
  4. Step 4: Simplify right side
    2,465.22x = 7,108,522.10
  5. Step 5: Solve for x
    x = 7,108,522.10/2,465.22
  6. Step 6: Final answer
    x = 2,883.52

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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.