Home / 1,519.11-2,277.75-1,030.68

Finding the Fourth Proportional to 1,519.11, 2,277.75 and 1,030.68

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Solution

The fourth proportional to 1,519.11, 2,277.75 and 1,030.68 is: 1,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.11 : 2,277.75 = 1,030.68 : x
  2. Step 2: Convert to fraction form
    1,519.11/2,277.75 = 1,030.68/x
  3. Step 3: Cross multiply
    1,519.11x = 2,277.75 × 1,030.68
  4. Step 4: Simplify right side
    1,519.11x = 2,347,631.37
  5. Step 5: Solve for x
    x = 2,347,631.37/1,519.11
  6. Step 6: Final answer
    x = 1,545.40

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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.