Home / 1,509.66-2,081.91-1,044.06

Finding the Fourth Proportional to 1,509.66, 2,081.91 and 1,044.06

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Solution

The fourth proportional to 1,509.66, 2,081.91 and 1,044.06 is: 1,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.66 : 2,081.91 = 1,044.06 : x
  2. Step 2: Convert to fraction form
    1,509.66/2,081.91 = 1,044.06/x
  3. Step 3: Cross multiply
    1,509.66x = 2,081.91 × 1,044.06
  4. Step 4: Simplify right side
    1,509.66x = 2,173,638.95
  5. Step 5: Solve for x
    x = 2,173,638.95/1,509.66
  6. Step 6: Final answer
    x = 1,439.82

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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.