Home / 2,691.36-4,038.08-1,049.07

Finding the Fourth Proportional to 2,691.36, 4,038.08 and 1,049.07

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Solution

The fourth proportional to 2,691.36, 4,038.08 and 1,049.07 is: 1,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.36 : 4,038.08 = 1,049.07 : x
  2. Step 2: Convert to fraction form
    2,691.36/4,038.08 = 1,049.07/x
  3. Step 3: Cross multiply
    2,691.36x = 4,038.08 × 1,049.07
  4. Step 4: Simplify right side
    2,691.36x = 4,236,223.34
  5. Step 5: Solve for x
    x = 4,236,223.34/2,691.36
  6. Step 6: Final answer
    x = 1,574.01

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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.