Home / 3,688.40-5,526.84-1,951.76

Finding the Fourth Proportional to 3,688.40, 5,526.84 and 1,951.76

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Solution

The fourth proportional to 3,688.40, 5,526.84 and 1,951.76 is: 2,924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.40 : 5,526.84 = 1,951.76 : x
  2. Step 2: Convert to fraction form
    3,688.40/5,526.84 = 1,951.76/x
  3. Step 3: Cross multiply
    3,688.40x = 5,526.84 × 1,951.76
  4. Step 4: Simplify right side
    3,688.40x = 10,787,065.24
  5. Step 5: Solve for x
    x = 10,787,065.24/3,688.40
  6. Step 6: Final answer
    x = 2,924.59

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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.