Home / 3,030.18-4,544.93-838.63

Finding the Fourth Proportional to 3,030.18, 4,544.93 and 838.63

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Solution

The fourth proportional to 3,030.18, 4,544.93 and 838.63 is: 1,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.18 : 4,544.93 = 838.63 : x
  2. Step 2: Convert to fraction form
    3,030.18/4,544.93 = 838.63/x
  3. Step 3: Cross multiply
    3,030.18x = 4,544.93 × 838.63
  4. Step 4: Simplify right side
    3,030.18x = 3,811,491.92
  5. Step 5: Solve for x
    x = 3,811,491.92/3,030.18
  6. Step 6: Final answer
    x = 1,257.84

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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.