Home / 3,554.68-4,905.80-2,656.86

Finding the Fourth Proportional to 3,554.68, 4,905.80 and 2,656.86

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Solution

The fourth proportional to 3,554.68, 4,905.80 and 2,656.86 is: 3,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.68 : 4,905.80 = 2,656.86 : x
  2. Step 2: Convert to fraction form
    3,554.68/4,905.80 = 2,656.86/x
  3. Step 3: Cross multiply
    3,554.68x = 4,905.80 × 2,656.86
  4. Step 4: Simplify right side
    3,554.68x = 13,034,023.79
  5. Step 5: Solve for x
    x = 13,034,023.79/3,554.68
  6. Step 6: Final answer
    x = 3,666.72

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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.