Home / 3,621.49-4,994.59-2,957.18

Finding the Fourth Proportional to 3,621.49, 4,994.59 and 2,957.18

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Solution

The fourth proportional to 3,621.49, 4,994.59 and 2,957.18 is: 4,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.49 : 4,994.59 = 2,957.18 : x
  2. Step 2: Convert to fraction form
    3,621.49/4,994.59 = 2,957.18/x
  3. Step 3: Cross multiply
    3,621.49x = 4,994.59 × 2,957.18
  4. Step 4: Simplify right side
    3,621.49x = 14,769,901.66
  5. Step 5: Solve for x
    x = 14,769,901.66/3,621.49
  6. Step 6: Final answer
    x = 4,078.40

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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.