Home / 3,654.98-5,037.45-2,911.40

Finding the Fourth Proportional to 3,654.98, 5,037.45 and 2,911.40

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Solution

The fourth proportional to 3,654.98, 5,037.45 and 2,911.40 is: 4,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.98 : 5,037.45 = 2,911.40 : x
  2. Step 2: Convert to fraction form
    3,654.98/5,037.45 = 2,911.40/x
  3. Step 3: Cross multiply
    3,654.98x = 5,037.45 × 2,911.40
  4. Step 4: Simplify right side
    3,654.98x = 14,666,031.93
  5. Step 5: Solve for x
    x = 14,666,031.93/3,654.98
  6. Step 6: Final answer
    x = 4,012.62

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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.