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Finding the Fourth Proportional to 2,899.74, 4,004.48 and 2,477.62

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Solution

The fourth proportional to 2,899.74, 4,004.48 and 2,477.62 is: 3,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.74 : 4,004.48 = 2,477.62 : x
  2. Step 2: Convert to fraction form
    2,899.74/4,004.48 = 2,477.62/x
  3. Step 3: Cross multiply
    2,899.74x = 4,004.48 × 2,477.62
  4. Step 4: Simplify right side
    2,899.74x = 9,921,579.74
  5. Step 5: Solve for x
    x = 9,921,579.74/2,899.74
  6. Step 6: Final answer
    x = 3,421.54

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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.