Home / 3,688.24-5,530.89-1,347.71

Finding the Fourth Proportional to 3,688.24, 5,530.89 and 1,347.71

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Solution

The fourth proportional to 3,688.24, 5,530.89 and 1,347.71 is: 2,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.24 : 5,530.89 = 1,347.71 : x
  2. Step 2: Convert to fraction form
    3,688.24/5,530.89 = 1,347.71/x
  3. Step 3: Cross multiply
    3,688.24x = 5,530.89 × 1,347.71
  4. Step 4: Simplify right side
    3,688.24x = 7,454,035.76
  5. Step 5: Solve for x
    x = 7,454,035.76/3,688.24
  6. Step 6: Final answer
    x = 2,021.03

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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.