Home / 3,216.48-4,438.71-2,038.52

Finding the Fourth Proportional to 3,216.48, 4,438.71 and 2,038.52

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Solution

The fourth proportional to 3,216.48, 4,438.71 and 2,038.52 is: 2,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.48 : 4,438.71 = 2,038.52 : x
  2. Step 2: Convert to fraction form
    3,216.48/4,438.71 = 2,038.52/x
  3. Step 3: Cross multiply
    3,216.48x = 4,438.71 × 2,038.52
  4. Step 4: Simplify right side
    3,216.48x = 9,048,376.92
  5. Step 5: Solve for x
    x = 9,048,376.92/3,216.48
  6. Step 6: Final answer
    x = 2,813.13

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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.