Home / 3,688.07-5,526.63-2,909.93

Finding the Fourth Proportional to 3,688.07, 5,526.63 and 2,909.93

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Solution

The fourth proportional to 3,688.07, 5,526.63 and 2,909.93 is: 4,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.07 : 5,526.63 = 2,909.93 : x
  2. Step 2: Convert to fraction form
    3,688.07/5,526.63 = 2,909.93/x
  3. Step 3: Cross multiply
    3,688.07x = 5,526.63 × 2,909.93
  4. Step 4: Simplify right side
    3,688.07x = 16,082,078.80
  5. Step 5: Solve for x
    x = 16,082,078.80/3,688.07
  6. Step 6: Final answer
    x = 4,360.57

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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.