Home / 3,841.76-5,302.31-3,666.45

Finding the Fourth Proportional to 3,841.76, 5,302.31 and 3,666.45

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Solution

The fourth proportional to 3,841.76, 5,302.31 and 3,666.45 is: 5,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.76 : 5,302.31 = 3,666.45 : x
  2. Step 2: Convert to fraction form
    3,841.76/5,302.31 = 3,666.45/x
  3. Step 3: Cross multiply
    3,841.76x = 5,302.31 × 3,666.45
  4. Step 4: Simplify right side
    3,841.76x = 19,440,654.50
  5. Step 5: Solve for x
    x = 19,440,654.50/3,841.76
  6. Step 6: Final answer
    x = 5,060.35

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1.5x scale

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.