Home / 2,506.02-3,458.34-1,387.02

Finding the Fourth Proportional to 2,506.02, 3,458.34 and 1,387.02

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Solution

The fourth proportional to 2,506.02, 3,458.34 and 1,387.02 is: 1,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.02 : 3,458.34 = 1,387.02 : x
  2. Step 2: Convert to fraction form
    2,506.02/3,458.34 = 1,387.02/x
  3. Step 3: Cross multiply
    2,506.02x = 3,458.34 × 1,387.02
  4. Step 4: Simplify right side
    2,506.02x = 4,796,786.75
  5. Step 5: Solve for x
    x = 4,796,786.75/2,506.02
  6. Step 6: Final answer
    x = 1,914.11

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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.