Home / 2,859.84-4,286.35-1,625.56

Finding the Fourth Proportional to 2,859.84, 4,286.35 and 1,625.56

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Solution

The fourth proportional to 2,859.84, 4,286.35 and 1,625.56 is: 2,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.84 : 4,286.35 = 1,625.56 : x
  2. Step 2: Convert to fraction form
    2,859.84/4,286.35 = 1,625.56/x
  3. Step 3: Cross multiply
    2,859.84x = 4,286.35 × 1,625.56
  4. Step 4: Simplify right side
    2,859.84x = 6,967,719.11
  5. Step 5: Solve for x
    x = 6,967,719.11/2,859.84
  6. Step 6: Final answer
    x = 2,436.40

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1.5x scale

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.