Home / 2,342.16-3,231.41-1,347.08

Finding the Fourth Proportional to 2,342.16, 3,231.41 and 1,347.08

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Solution

The fourth proportional to 2,342.16, 3,231.41 and 1,347.08 is: 1,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.16 : 3,231.41 = 1,347.08 : x
  2. Step 2: Convert to fraction form
    2,342.16/3,231.41 = 1,347.08/x
  3. Step 3: Cross multiply
    2,342.16x = 3,231.41 × 1,347.08
  4. Step 4: Simplify right side
    2,342.16x = 4,352,944.89
  5. Step 5: Solve for x
    x = 4,352,944.89/2,342.16
  6. Step 6: Final answer
    x = 1,858.52

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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.