Home / 3,423.57-5,135.81-1,526.01

Finding the Fourth Proportional to 3,423.57, 5,135.81 and 1,526.01

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Solution

The fourth proportional to 3,423.57, 5,135.81 and 1,526.01 is: 2,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.57 : 5,135.81 = 1,526.01 : x
  2. Step 2: Convert to fraction form
    3,423.57/5,135.81 = 1,526.01/x
  3. Step 3: Cross multiply
    3,423.57x = 5,135.81 × 1,526.01
  4. Step 4: Simplify right side
    3,423.57x = 7,837,289.79
  5. Step 5: Solve for x
    x = 7,837,289.79/3,423.57
  6. Step 6: Final answer
    x = 2,289.22

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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.