Home / 3,574.89-5,363.78-1,628.01

Finding the Fourth Proportional to 3,574.89, 5,363.78 and 1,628.01

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Solution

The fourth proportional to 3,574.89, 5,363.78 and 1,628.01 is: 2,442.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.89 : 5,363.78 = 1,628.01 : x
  2. Step 2: Convert to fraction form
    3,574.89/5,363.78 = 1,628.01/x
  3. Step 3: Cross multiply
    3,574.89x = 5,363.78 × 1,628.01
  4. Step 4: Simplify right side
    3,574.89x = 8,732,287.48
  5. Step 5: Solve for x
    x = 8,732,287.48/3,574.89
  6. Step 6: Final answer
    x = 2,442.67

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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.