Home / 1,921.08-2,886.81-1,044.15

Finding the Fourth Proportional to 1,921.08, 2,886.81 and 1,044.15

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Solution

The fourth proportional to 1,921.08, 2,886.81 and 1,044.15 is: 1,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921.08 : 2,886.81 = 1,044.15 : x
  2. Step 2: Convert to fraction form
    1,921.08/2,886.81 = 1,044.15/x
  3. Step 3: Cross multiply
    1,921.08x = 2,886.81 × 1,044.15
  4. Step 4: Simplify right side
    1,921.08x = 3,014,262.66
  5. Step 5: Solve for x
    x = 3,014,262.66/1,921.08
  6. Step 6: Final answer
    x = 1,569.05

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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.