Home / 3,286.84-4,925.40-1,436.28

Finding the Fourth Proportional to 3,286.84, 4,925.40 and 1,436.28

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Solution

The fourth proportional to 3,286.84, 4,925.40 and 1,436.28 is: 2,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.84 : 4,925.40 = 1,436.28 : x
  2. Step 2: Convert to fraction form
    3,286.84/4,925.40 = 1,436.28/x
  3. Step 3: Cross multiply
    3,286.84x = 4,925.40 × 1,436.28
  4. Step 4: Simplify right side
    3,286.84x = 7,074,253.51
  5. Step 5: Solve for x
    x = 7,074,253.51/3,286.84
  6. Step 6: Final answer
    x = 2,152.30

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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.