Home / 2,880.02-3,970.41-2,436.14

Finding the Fourth Proportional to 2,880.02, 3,970.41 and 2,436.14

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Solution

The fourth proportional to 2,880.02, 3,970.41 and 2,436.14 is: 3,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.02 : 3,970.41 = 2,436.14 : x
  2. Step 2: Convert to fraction form
    2,880.02/3,970.41 = 2,436.14/x
  3. Step 3: Cross multiply
    2,880.02x = 3,970.41 × 2,436.14
  4. Step 4: Simplify right side
    2,880.02x = 9,672,474.62
  5. Step 5: Solve for x
    x = 9,672,474.62/2,880.02
  6. Step 6: Final answer
    x = 3,358.47

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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.