Home / 3,330.23-4,995.35-1,138.98

Finding the Fourth Proportional to 3,330.23, 4,995.35 and 1,138.98

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Solution

The fourth proportional to 3,330.23, 4,995.35 and 1,138.98 is: 1,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.23 : 4,995.35 = 1,138.98 : x
  2. Step 2: Convert to fraction form
    3,330.23/4,995.35 = 1,138.98/x
  3. Step 3: Cross multiply
    3,330.23x = 4,995.35 × 1,138.98
  4. Step 4: Simplify right side
    3,330.23x = 5,689,603.74
  5. Step 5: Solve for x
    x = 5,689,603.74/3,330.23
  6. Step 6: Final answer
    x = 1,708.47

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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.