Home / 1,508.90-2,078.37-1,066.02

Finding the Fourth Proportional to 1,508.90, 2,078.37 and 1,066.02

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Solution

The fourth proportional to 1,508.90, 2,078.37 and 1,066.02 is: 1,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.90 : 2,078.37 = 1,066.02 : x
  2. Step 2: Convert to fraction form
    1,508.90/2,078.37 = 1,066.02/x
  3. Step 3: Cross multiply
    1,508.90x = 2,078.37 × 1,066.02
  4. Step 4: Simplify right side
    1,508.90x = 2,215,583.99
  5. Step 5: Solve for x
    x = 2,215,583.99/1,508.90
  6. Step 6: Final answer
    x = 1,468.35

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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.