Home / 3,544.40-4,888.32-2,215.68

Finding the Fourth Proportional to 3,544.40, 4,888.32 and 2,215.68

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Solution

The fourth proportional to 3,544.40, 4,888.32 and 2,215.68 is: 3,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.40 : 4,888.32 = 2,215.68 : x
  2. Step 2: Convert to fraction form
    3,544.40/4,888.32 = 2,215.68/x
  3. Step 3: Cross multiply
    3,544.40x = 4,888.32 × 2,215.68
  4. Step 4: Simplify right side
    3,544.40x = 10,830,952.86
  5. Step 5: Solve for x
    x = 10,830,952.86/3,544.40
  6. Step 6: Final answer
    x = 3,055.79

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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.