Home / 1,357.03-2,035.55-383.11

Finding the Fourth Proportional to 1,357.03, 2,035.55 and 383.11

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Solution

The fourth proportional to 1,357.03, 2,035.55 and 383.11 is: 574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.03 : 2,035.55 = 383.11 : x
  2. Step 2: Convert to fraction form
    1,357.03/2,035.55 = 383.11/x
  3. Step 3: Cross multiply
    1,357.03x = 2,035.55 × 383.11
  4. Step 4: Simplify right side
    1,357.03x = 779,839.56
  5. Step 5: Solve for x
    x = 779,839.56/1,357.03
  6. Step 6: Final answer
    x = 574.67

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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.