Home / 2,577.22-3,840.48-2,421.39

Finding the Fourth Proportional to 2,577.22, 3,840.48 and 2,421.39

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Solution

The fourth proportional to 2,577.22, 3,840.48 and 2,421.39 is: 3,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.22 : 3,840.48 = 2,421.39 : x
  2. Step 2: Convert to fraction form
    2,577.22/3,840.48 = 2,421.39/x
  3. Step 3: Cross multiply
    2,577.22x = 3,840.48 × 2,421.39
  4. Step 4: Simplify right side
    2,577.22x = 9,299,314.27
  5. Step 5: Solve for x
    x = 9,299,314.27/2,577.22
  6. Step 6: Final answer
    x = 3,608.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.