Home / 3,097.86-4,643.64-1,712.76

Finding the Fourth Proportional to 3,097.86, 4,643.64 and 1,712.76

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Solution

The fourth proportional to 3,097.86, 4,643.64 and 1,712.76 is: 2,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.86 : 4,643.64 = 1,712.76 : x
  2. Step 2: Convert to fraction form
    3,097.86/4,643.64 = 1,712.76/x
  3. Step 3: Cross multiply
    3,097.86x = 4,643.64 × 1,712.76
  4. Step 4: Simplify right side
    3,097.86x = 7,953,440.85
  5. Step 5: Solve for x
    x = 7,953,440.85/3,097.86
  6. Step 6: Final answer
    x = 2,567.40

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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.