Home / 1,357.19-2,035.50-383.03

Finding the Fourth Proportional to 1,357.19, 2,035.50 and 383.03

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Solution

The fourth proportional to 1,357.19, 2,035.50 and 383.03 is: 574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.19 : 2,035.50 = 383.03 : x
  2. Step 2: Convert to fraction form
    1,357.19/2,035.50 = 383.03/x
  3. Step 3: Cross multiply
    1,357.19x = 2,035.50 × 383.03
  4. Step 4: Simplify right side
    1,357.19x = 779,657.57
  5. Step 5: Solve for x
    x = 779,657.57/1,357.19
  6. Step 6: Final answer
    x = 574.46

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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.