Home / 1,875.06-2,587.58-1,078.44

Finding the Fourth Proportional to 1,875.06, 2,587.58 and 1,078.44

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Solution

The fourth proportional to 1,875.06, 2,587.58 and 1,078.44 is: 1,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.06 : 2,587.58 = 1,078.44 : x
  2. Step 2: Convert to fraction form
    1,875.06/2,587.58 = 1,078.44/x
  3. Step 3: Cross multiply
    1,875.06x = 2,587.58 × 1,078.44
  4. Step 4: Simplify right side
    1,875.06x = 2,790,549.78
  5. Step 5: Solve for x
    x = 2,790,549.78/1,875.06
  6. Step 6: Final answer
    x = 1,488.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.