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Finding the Fourth Proportional to 2,899.77, 4,001.67 and 1,573.47

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Solution

The fourth proportional to 2,899.77, 4,001.67 and 1,573.47 is: 2,171.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.77 : 4,001.67 = 1,573.47 : x
  2. Step 2: Convert to fraction form
    2,899.77/4,001.67 = 1,573.47/x
  3. Step 3: Cross multiply
    2,899.77x = 4,001.67 × 1,573.47
  4. Step 4: Simplify right side
    2,899.77x = 6,296,507.69
  5. Step 5: Solve for x
    x = 6,296,507.69/2,899.77
  6. Step 6: Final answer
    x = 2,171.38

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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.