Home / 2,486.08-3,430.58-1,367.02

Finding the Fourth Proportional to 2,486.08, 3,430.58 and 1,367.02

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Solution

The fourth proportional to 2,486.08, 3,430.58 and 1,367.02 is: 1,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.08 : 3,430.58 = 1,367.02 : x
  2. Step 2: Convert to fraction form
    2,486.08/3,430.58 = 1,367.02/x
  3. Step 3: Cross multiply
    2,486.08x = 3,430.58 × 1,367.02
  4. Step 4: Simplify right side
    2,486.08x = 4,689,664.64
  5. Step 5: Solve for x
    x = 4,689,664.64/2,486.08
  6. Step 6: Final answer
    x = 1,886.37

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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.