Home / 3,111.46-4,665.68-1,030.76

Finding the Fourth Proportional to 3,111.46, 4,665.68 and 1,030.76

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Solution

The fourth proportional to 3,111.46, 4,665.68 and 1,030.76 is: 1,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.46 : 4,665.68 = 1,030.76 : x
  2. Step 2: Convert to fraction form
    3,111.46/4,665.68 = 1,030.76/x
  3. Step 3: Cross multiply
    3,111.46x = 4,665.68 × 1,030.76
  4. Step 4: Simplify right side
    3,111.46x = 4,809,206.58
  5. Step 5: Solve for x
    x = 4,809,206.58/3,111.46
  6. Step 6: Final answer
    x = 1,545.64

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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.