Home / 3,889.08-5,364.36-2,316

Finding the Fourth Proportional to 3,889.08, 5,364.36 and 2,316

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Solution

The fourth proportional to 3,889.08, 5,364.36 and 2,316 is: 3,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.08 : 5,364.36 = 2,316 : x
  2. Step 2: Convert to fraction form
    3,889.08/5,364.36 = 2,316/x
  3. Step 3: Cross multiply
    3,889.08x = 5,364.36 × 2,316
  4. Step 4: Simplify right side
    3,889.08x = 12,423,857.76
  5. Step 5: Solve for x
    x = 12,423,857.76/3,889.08
  6. Step 6: Final answer
    x = 3,194.55

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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.