Home / 2,342.62-3,509.82-2,088.40

Finding the Fourth Proportional to 2,342.62, 3,509.82 and 2,088.40

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Solution

The fourth proportional to 2,342.62, 3,509.82 and 2,088.40 is: 3,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.62 : 3,509.82 = 2,088.40 : x
  2. Step 2: Convert to fraction form
    2,342.62/3,509.82 = 2,088.40/x
  3. Step 3: Cross multiply
    2,342.62x = 3,509.82 × 2,088.40
  4. Step 4: Simplify right side
    2,342.62x = 7,329,908.09
  5. Step 5: Solve for x
    x = 7,329,908.09/2,342.62
  6. Step 6: Final answer
    x = 3,128.94

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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.