Home / 2,176.34-3,002.96-1,292.36

Finding the Fourth Proportional to 2,176.34, 3,002.96 and 1,292.36

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Solution

The fourth proportional to 2,176.34, 3,002.96 and 1,292.36 is: 1,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.34 : 3,002.96 = 1,292.36 : x
  2. Step 2: Convert to fraction form
    2,176.34/3,002.96 = 1,292.36/x
  3. Step 3: Cross multiply
    2,176.34x = 3,002.96 × 1,292.36
  4. Step 4: Simplify right side
    2,176.34x = 3,880,916.12
  5. Step 5: Solve for x
    x = 3,880,916.12/2,176.34
  6. Step 6: Final answer
    x = 1,783.23

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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.