Home / 3,647.46-5,030-2,318.80

Finding the Fourth Proportional to 3,647.46, 5,030 and 2,318.80

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Solution

The fourth proportional to 3,647.46, 5,030 and 2,318.80 is: 3,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.46 : 5,030 = 2,318.80 : x
  2. Step 2: Convert to fraction form
    3,647.46/5,030 = 2,318.80/x
  3. Step 3: Cross multiply
    3,647.46x = 5,030 × 2,318.80
  4. Step 4: Simplify right side
    3,647.46x = 11,663,564
  5. Step 5: Solve for x
    x = 11,663,564/3,647.46
  6. Step 6: Final answer
    x = 3,197.72

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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.