Home / 2,832.61-3,907.91-2,088.34

Finding the Fourth Proportional to 2,832.61, 3,907.91 and 2,088.34

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Solution

The fourth proportional to 2,832.61, 3,907.91 and 2,088.34 is: 2,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.61 : 3,907.91 = 2,088.34 : x
  2. Step 2: Convert to fraction form
    2,832.61/3,907.91 = 2,088.34/x
  3. Step 3: Cross multiply
    2,832.61x = 3,907.91 × 2,088.34
  4. Step 4: Simplify right side
    2,832.61x = 8,161,044.77
  5. Step 5: Solve for x
    x = 8,161,044.77/2,832.61
  6. Step 6: Final answer
    x = 2,881.10

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1.5x scale

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.