Home / 3,485.49-5,235.51-2,938.74

Finding the Fourth Proportional to 3,485.49, 5,235.51 and 2,938.74

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Solution

The fourth proportional to 3,485.49, 5,235.51 and 2,938.74 is: 4,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.49 : 5,235.51 = 2,938.74 : x
  2. Step 2: Convert to fraction form
    3,485.49/5,235.51 = 2,938.74/x
  3. Step 3: Cross multiply
    3,485.49x = 5,235.51 × 2,938.74
  4. Step 4: Simplify right side
    3,485.49x = 15,385,802.66
  5. Step 5: Solve for x
    x = 15,385,802.66/3,485.49
  6. Step 6: Final answer
    x = 4,414.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.