Home / 2,558.07-3,837.60-998.01

Finding the Fourth Proportional to 2,558.07, 3,837.60 and 998.01

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Solution

The fourth proportional to 2,558.07, 3,837.60 and 998.01 is: 1,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.07 : 3,837.60 = 998.01 : x
  2. Step 2: Convert to fraction form
    2,558.07/3,837.60 = 998.01/x
  3. Step 3: Cross multiply
    2,558.07x = 3,837.60 × 998.01
  4. Step 4: Simplify right side
    2,558.07x = 3,829,963.18
  5. Step 5: Solve for x
    x = 3,829,963.18/2,558.07
  6. Step 6: Final answer
    x = 1,497.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.