Home / 1,904.10-2,627.78-1,064.90

Finding the Fourth Proportional to 1,904.10, 2,627.78 and 1,064.90

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Solution

The fourth proportional to 1,904.10, 2,627.78 and 1,064.90 is: 1,469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.10 : 2,627.78 = 1,064.90 : x
  2. Step 2: Convert to fraction form
    1,904.10/2,627.78 = 1,064.90/x
  3. Step 3: Cross multiply
    1,904.10x = 2,627.78 × 1,064.90
  4. Step 4: Simplify right side
    1,904.10x = 2,798,324.17
  5. Step 5: Solve for x
    x = 2,798,324.17/1,904.10
  6. Step 6: Final answer
    x = 1,469.63

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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.