Home / 2,342.15-3,231.50-1,347.26

Finding the Fourth Proportional to 2,342.15, 3,231.50 and 1,347.26

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Solution

The fourth proportional to 2,342.15, 3,231.50 and 1,347.26 is: 1,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.15 : 3,231.50 = 1,347.26 : x
  2. Step 2: Convert to fraction form
    2,342.15/3,231.50 = 1,347.26/x
  3. Step 3: Cross multiply
    2,342.15x = 3,231.50 × 1,347.26
  4. Step 4: Simplify right side
    2,342.15x = 4,353,670.69
  5. Step 5: Solve for x
    x = 4,353,670.69/2,342.15
  6. Step 6: Final answer
    x = 1,858.84

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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.