Home / 1,357.03-2,035.58-383.20

Finding the Fourth Proportional to 1,357.03, 2,035.58 and 383.20

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Solution

The fourth proportional to 1,357.03, 2,035.58 and 383.20 is: 574.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.03 : 2,035.58 = 383.20 : x
  2. Step 2: Convert to fraction form
    1,357.03/2,035.58 = 383.20/x
  3. Step 3: Cross multiply
    1,357.03x = 2,035.58 × 383.20
  4. Step 4: Simplify right side
    1,357.03x = 780,034.26
  5. Step 5: Solve for x
    x = 780,034.26/1,357.03
  6. Step 6: Final answer
    x = 574.81

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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.