Home / 1,878.11-2,591.71-1,027.35

Finding the Fourth Proportional to 1,878.11, 2,591.71 and 1,027.35

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Solution

The fourth proportional to 1,878.11, 2,591.71 and 1,027.35 is: 1,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878.11 : 2,591.71 = 1,027.35 : x
  2. Step 2: Convert to fraction form
    1,878.11/2,591.71 = 1,027.35/x
  3. Step 3: Cross multiply
    1,878.11x = 2,591.71 × 1,027.35
  4. Step 4: Simplify right side
    1,878.11x = 2,662,580.31
  5. Step 5: Solve for x
    x = 2,662,580.31/1,878.11
  6. Step 6: Final answer
    x = 1,417.69

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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.