Home / 3,445.76-4,754.94-1,954.04

Finding the Fourth Proportional to 3,445.76, 4,754.94 and 1,954.04

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Solution

The fourth proportional to 3,445.76, 4,754.94 and 1,954.04 is: 2,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.76 : 4,754.94 = 1,954.04 : x
  2. Step 2: Convert to fraction form
    3,445.76/4,754.94 = 1,954.04/x
  3. Step 3: Cross multiply
    3,445.76x = 4,754.94 × 1,954.04
  4. Step 4: Simplify right side
    3,445.76x = 9,291,319.18
  5. Step 5: Solve for x
    x = 9,291,319.18/3,445.76
  6. Step 6: Final answer
    x = 2,696.45

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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.