Home / 1,353.34-2,030.08-379.52

Finding the Fourth Proportional to 1,353.34, 2,030.08 and 379.52

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Solution

The fourth proportional to 1,353.34, 2,030.08 and 379.52 is: 569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.34 : 2,030.08 = 379.52 : x
  2. Step 2: Convert to fraction form
    1,353.34/2,030.08 = 379.52/x
  3. Step 3: Cross multiply
    1,353.34x = 2,030.08 × 379.52
  4. Step 4: Simplify right side
    1,353.34x = 770,452.07
  5. Step 5: Solve for x
    x = 770,452.07/1,353.34
  6. Step 6: Final answer
    x = 569.30

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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.