Home / 2,346.31-3,237.92-1,284.06

Finding the Fourth Proportional to 2,346.31, 3,237.92 and 1,284.06

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Solution

The fourth proportional to 2,346.31, 3,237.92 and 1,284.06 is: 1,772.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.31 : 3,237.92 = 1,284.06 : x
  2. Step 2: Convert to fraction form
    2,346.31/3,237.92 = 1,284.06/x
  3. Step 3: Cross multiply
    2,346.31x = 3,237.92 × 1,284.06
  4. Step 4: Simplify right side
    2,346.31x = 4,157,683.56
  5. Step 5: Solve for x
    x = 4,157,683.56/2,346.31
  6. Step 6: Final answer
    x = 1,772.01

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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.