Home / 3,355.16-4,628.30-2,141.57

Finding the Fourth Proportional to 3,355.16, 4,628.30 and 2,141.57

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Solution

The fourth proportional to 3,355.16, 4,628.30 and 2,141.57 is: 2,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.16 : 4,628.30 = 2,141.57 : x
  2. Step 2: Convert to fraction form
    3,355.16/4,628.30 = 2,141.57/x
  3. Step 3: Cross multiply
    3,355.16x = 4,628.30 × 2,141.57
  4. Step 4: Simplify right side
    3,355.16x = 9,911,829.29
  5. Step 5: Solve for x
    x = 9,911,829.29/3,355.16
  6. Step 6: Final answer
    x = 2,954.21

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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.