Home / 4,019.55-5,545.12-2,603.70

Finding the Fourth Proportional to 4,019.55, 5,545.12 and 2,603.70

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Solution

The fourth proportional to 4,019.55, 5,545.12 and 2,603.70 is: 3,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.55 : 5,545.12 = 2,603.70 : x
  2. Step 2: Convert to fraction form
    4,019.55/5,545.12 = 2,603.70/x
  3. Step 3: Cross multiply
    4,019.55x = 5,545.12 × 2,603.70
  4. Step 4: Simplify right side
    4,019.55x = 14,437,835.59
  5. Step 5: Solve for x
    x = 14,437,835.59/4,019.55
  6. Step 6: Final answer
    x = 3,591.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.