Home / 3,026.48-4,538.78-1,078.58

Finding the Fourth Proportional to 3,026.48, 4,538.78 and 1,078.58

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Solution

The fourth proportional to 3,026.48, 4,538.78 and 1,078.58 is: 1,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.48 : 4,538.78 = 1,078.58 : x
  2. Step 2: Convert to fraction form
    3,026.48/4,538.78 = 1,078.58/x
  3. Step 3: Cross multiply
    3,026.48x = 4,538.78 × 1,078.58
  4. Step 4: Simplify right side
    3,026.48x = 4,895,437.33
  5. Step 5: Solve for x
    x = 4,895,437.33/3,026.48
  6. Step 6: Final answer
    x = 1,617.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.