Home / 2,691.48-4,041.86-1,602.69

Finding the Fourth Proportional to 2,691.48, 4,041.86 and 1,602.69

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Solution

The fourth proportional to 2,691.48, 4,041.86 and 1,602.69 is: 2,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.48 : 4,041.86 = 1,602.69 : x
  2. Step 2: Convert to fraction form
    2,691.48/4,041.86 = 1,602.69/x
  3. Step 3: Cross multiply
    2,691.48x = 4,041.86 × 1,602.69
  4. Step 4: Simplify right side
    2,691.48x = 6,477,840.59
  5. Step 5: Solve for x
    x = 6,477,840.59/2,691.48
  6. Step 6: Final answer
    x = 2,406.79

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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.