Home / 2,345.13-3,234.75-1,548.21

Finding the Fourth Proportional to 2,345.13, 3,234.75 and 1,548.21

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Solution

The fourth proportional to 2,345.13, 3,234.75 and 1,548.21 is: 2,135.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.13 : 3,234.75 = 1,548.21 : x
  2. Step 2: Convert to fraction form
    2,345.13/3,234.75 = 1,548.21/x
  3. Step 3: Cross multiply
    2,345.13x = 3,234.75 × 1,548.21
  4. Step 4: Simplify right side
    2,345.13x = 5,008,072.30
  5. Step 5: Solve for x
    x = 5,008,072.30/2,345.13
  6. Step 6: Final answer
    x = 2,135.52

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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.