Home / 3,526.47-5,289.53-1,445.90

Finding the Fourth Proportional to 3,526.47, 5,289.53 and 1,445.90

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Solution

The fourth proportional to 3,526.47, 5,289.53 and 1,445.90 is: 2,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.47 : 5,289.53 = 1,445.90 : x
  2. Step 2: Convert to fraction form
    3,526.47/5,289.53 = 1,445.90/x
  3. Step 3: Cross multiply
    3,526.47x = 5,289.53 × 1,445.90
  4. Step 4: Simplify right side
    3,526.47x = 7,648,097.75
  5. Step 5: Solve for x
    x = 7,648,097.75/3,526.47
  6. Step 6: Final answer
    x = 2,168.77

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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.