Home / 2,450.04-3,381.02-1,388.02

Finding the Fourth Proportional to 2,450.04, 3,381.02 and 1,388.02

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Solution

The fourth proportional to 2,450.04, 3,381.02 and 1,388.02 is: 1,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.04 : 3,381.02 = 1,388.02 : x
  2. Step 2: Convert to fraction form
    2,450.04/3,381.02 = 1,388.02/x
  3. Step 3: Cross multiply
    2,450.04x = 3,381.02 × 1,388.02
  4. Step 4: Simplify right side
    2,450.04x = 4,692,923.38
  5. Step 5: Solve for x
    x = 4,692,923.38/2,450.04
  6. Step 6: Final answer
    x = 1,915.45

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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.