Home / 3,026.48-4,541.88-1,078.70

Finding the Fourth Proportional to 3,026.48, 4,541.88 and 1,078.70

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Solution

The fourth proportional to 3,026.48, 4,541.88 and 1,078.70 is: 1,618.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.48 : 4,541.88 = 1,078.70 : x
  2. Step 2: Convert to fraction form
    3,026.48/4,541.88 = 1,078.70/x
  3. Step 3: Cross multiply
    3,026.48x = 4,541.88 × 1,078.70
  4. Step 4: Simplify right side
    3,026.48x = 4,899,325.96
  5. Step 5: Solve for x
    x = 4,899,325.96/3,026.48
  6. Step 6: Final answer
    x = 1,618.82

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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.