Home / 2,420.37-3,341.13-1,635.48

Finding the Fourth Proportional to 2,420.37, 3,341.13 and 1,635.48

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Solution

The fourth proportional to 2,420.37, 3,341.13 and 1,635.48 is: 2,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.37 : 3,341.13 = 1,635.48 : x
  2. Step 2: Convert to fraction form
    2,420.37/3,341.13 = 1,635.48/x
  3. Step 3: Cross multiply
    2,420.37x = 3,341.13 × 1,635.48
  4. Step 4: Simplify right side
    2,420.37x = 5,464,345.16
  5. Step 5: Solve for x
    x = 5,464,345.16/2,420.37
  6. Step 6: Final answer
    x = 2,257.65

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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.