Home / 2,927.16-4,038.67-1,747.80

Finding the Fourth Proportional to 2,927.16, 4,038.67 and 1,747.80

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Solution

The fourth proportional to 2,927.16, 4,038.67 and 1,747.80 is: 2,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.16 : 4,038.67 = 1,747.80 : x
  2. Step 2: Convert to fraction form
    2,927.16/4,038.67 = 1,747.80/x
  3. Step 3: Cross multiply
    2,927.16x = 4,038.67 × 1,747.80
  4. Step 4: Simplify right side
    2,927.16x = 7,058,778.69
  5. Step 5: Solve for x
    x = 7,058,778.69/2,927.16
  6. Step 6: Final answer
    x = 2,411.48

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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.