Home / 3,030.21-4,545.11-1,180.98

Finding the Fourth Proportional to 3,030.21, 4,545.11 and 1,180.98

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Solution

The fourth proportional to 3,030.21, 4,545.11 and 1,180.98 is: 1,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.21 : 4,545.11 = 1,180.98 : x
  2. Step 2: Convert to fraction form
    3,030.21/4,545.11 = 1,180.98/x
  3. Step 3: Cross multiply
    3,030.21x = 4,545.11 × 1,180.98
  4. Step 4: Simplify right side
    3,030.21x = 5,367,686.96
  5. Step 5: Solve for x
    x = 5,367,686.96/3,030.21
  6. Step 6: Final answer
    x = 1,771.39

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1.5x scale

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.