Home / 3,526.42-5,289.63-929.38

Finding the Fourth Proportional to 3,526.42, 5,289.63 and 929.38

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Solution

The fourth proportional to 3,526.42, 5,289.63 and 929.38 is: 1,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.42 : 5,289.63 = 929.38 : x
  2. Step 2: Convert to fraction form
    3,526.42/5,289.63 = 929.38/x
  3. Step 3: Cross multiply
    3,526.42x = 5,289.63 × 929.38
  4. Step 4: Simplify right side
    3,526.42x = 4,916,076.33
  5. Step 5: Solve for x
    x = 4,916,076.33/3,526.42
  6. Step 6: Final answer
    x = 1,394.07

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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.