Home / 3,573.15-5,384.13-2,938.11

Finding the Fourth Proportional to 3,573.15, 5,384.13 and 2,938.11

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Solution

The fourth proportional to 3,573.15, 5,384.13 and 2,938.11 is: 4,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.15 : 5,384.13 = 2,938.11 : x
  2. Step 2: Convert to fraction form
    3,573.15/5,384.13 = 2,938.11/x
  3. Step 3: Cross multiply
    3,573.15x = 5,384.13 × 2,938.11
  4. Step 4: Simplify right side
    3,573.15x = 15,819,166.19
  5. Step 5: Solve for x
    x = 15,819,166.19/3,573.15
  6. Step 6: Final answer
    x = 4,427.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.