Home / 2,225.40-3,066.54-2,108.28

Finding the Fourth Proportional to 2,225.40, 3,066.54 and 2,108.28

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Solution

The fourth proportional to 2,225.40, 3,066.54 and 2,108.28 is: 2,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.40 : 3,066.54 = 2,108.28 : x
  2. Step 2: Convert to fraction form
    2,225.40/3,066.54 = 2,108.28/x
  3. Step 3: Cross multiply
    2,225.40x = 3,066.54 × 2,108.28
  4. Step 4: Simplify right side
    2,225.40x = 6,465,124.95
  5. Step 5: Solve for x
    x = 6,465,124.95/2,225.40
  6. Step 6: Final answer
    x = 2,905.15

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Double scale
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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.