Home / 2,654.55-3,980.23-1,011.22

Finding the Fourth Proportional to 2,654.55, 3,980.23 and 1,011.22

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Solution

The fourth proportional to 2,654.55, 3,980.23 and 1,011.22 is: 1,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.55 : 3,980.23 = 1,011.22 : x
  2. Step 2: Convert to fraction form
    2,654.55/3,980.23 = 1,011.22/x
  3. Step 3: Cross multiply
    2,654.55x = 3,980.23 × 1,011.22
  4. Step 4: Simplify right side
    2,654.55x = 4,024,888.18
  5. Step 5: Solve for x
    x = 4,024,888.18/2,654.55
  6. Step 6: Final answer
    x = 1,516.22

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1.5x scale

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.