Home / 3,842.19-5,300.64-2,425.32

Finding the Fourth Proportional to 3,842.19, 5,300.64 and 2,425.32

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Solution

The fourth proportional to 3,842.19, 5,300.64 and 2,425.32 is: 3,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.19 : 5,300.64 = 2,425.32 : x
  2. Step 2: Convert to fraction form
    3,842.19/5,300.64 = 2,425.32/x
  3. Step 3: Cross multiply
    3,842.19x = 5,300.64 × 2,425.32
  4. Step 4: Simplify right side
    3,842.19x = 12,855,748.20
  5. Step 5: Solve for x
    x = 12,855,748.20/3,842.19
  6. Step 6: Final answer
    x = 3,345.94

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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.