Home / 3,888.16-5,364.84-2,316.76

Finding the Fourth Proportional to 3,888.16, 5,364.84 and 2,316.76

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Solution

The fourth proportional to 3,888.16, 5,364.84 and 2,316.76 is: 3,196.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.16 : 5,364.84 = 2,316.76 : x
  2. Step 2: Convert to fraction form
    3,888.16/5,364.84 = 2,316.76/x
  3. Step 3: Cross multiply
    3,888.16x = 5,364.84 × 2,316.76
  4. Step 4: Simplify right side
    3,888.16x = 12,429,046.72
  5. Step 5: Solve for x
    x = 12,429,046.72/3,888.16
  6. Step 6: Final answer
    x = 3,196.64

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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.