Home / 2,558.16-3,837.60-1,259.64

Finding the Fourth Proportional to 2,558.16, 3,837.60 and 1,259.64

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Solution

The fourth proportional to 2,558.16, 3,837.60 and 1,259.64 is: 1,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.16 : 3,837.60 = 1,259.64 : x
  2. Step 2: Convert to fraction form
    2,558.16/3,837.60 = 1,259.64/x
  3. Step 3: Cross multiply
    2,558.16x = 3,837.60 × 1,259.64
  4. Step 4: Simplify right side
    2,558.16x = 4,833,994.46
  5. Step 5: Solve for x
    x = 4,833,994.46/2,558.16
  6. Step 6: Final answer
    x = 1,889.64

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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.