Home / 2,880.02-3,974.99-1,872.97

Finding the Fourth Proportional to 2,880.02, 3,974.99 and 1,872.97

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Solution

The fourth proportional to 2,880.02, 3,974.99 and 1,872.97 is: 2,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.02 : 3,974.99 = 1,872.97 : x
  2. Step 2: Convert to fraction form
    2,880.02/3,974.99 = 1,872.97/x
  3. Step 3: Cross multiply
    2,880.02x = 3,974.99 × 1,872.97
  4. Step 4: Simplify right side
    2,880.02x = 7,445,037.02
  5. Step 5: Solve for x
    x = 7,445,037.02/2,880.02
  6. Step 6: Final answer
    x = 2,585.06

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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.