Home / 3,544.19-4,890.28-1,971.98

Finding the Fourth Proportional to 3,544.19, 4,890.28 and 1,971.98

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Solution

The fourth proportional to 3,544.19, 4,890.28 and 1,971.98 is: 2,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.19 : 4,890.28 = 1,971.98 : x
  2. Step 2: Convert to fraction form
    3,544.19/4,890.28 = 1,971.98/x
  3. Step 3: Cross multiply
    3,544.19x = 4,890.28 × 1,971.98
  4. Step 4: Simplify right side
    3,544.19x = 9,643,529.42
  5. Step 5: Solve for x
    x = 9,643,529.42/3,544.19
  6. Step 6: Final answer
    x = 2,720.94

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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.