Home / 2,666.23-4,001.06-1,205.30

Finding the Fourth Proportional to 2,666.23, 4,001.06 and 1,205.30

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Solution

The fourth proportional to 2,666.23, 4,001.06 and 1,205.30 is: 1,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.23 : 4,001.06 = 1,205.30 : x
  2. Step 2: Convert to fraction form
    2,666.23/4,001.06 = 1,205.30/x
  3. Step 3: Cross multiply
    2,666.23x = 4,001.06 × 1,205.30
  4. Step 4: Simplify right side
    2,666.23x = 4,822,477.62
  5. Step 5: Solve for x
    x = 4,822,477.62/2,666.23
  6. Step 6: Final answer
    x = 1,808.73

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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.