Home / 2,429.46-3,352.14-1,381.32

Finding the Fourth Proportional to 2,429.46, 3,352.14 and 1,381.32

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Solution

The fourth proportional to 2,429.46, 3,352.14 and 1,381.32 is: 1,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.46 : 3,352.14 = 1,381.32 : x
  2. Step 2: Convert to fraction form
    2,429.46/3,352.14 = 1,381.32/x
  3. Step 3: Cross multiply
    2,429.46x = 3,352.14 × 1,381.32
  4. Step 4: Simplify right side
    2,429.46x = 4,630,378.02
  5. Step 5: Solve for x
    x = 4,630,378.02/2,429.46
  6. Step 6: Final answer
    x = 1,905.93

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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.