Home / 3,439.32-5,156.88-2,052.40

Finding the Fourth Proportional to 3,439.32, 5,156.88 and 2,052.40

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Solution

The fourth proportional to 3,439.32, 5,156.88 and 2,052.40 is: 3,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.32 : 5,156.88 = 2,052.40 : x
  2. Step 2: Convert to fraction form
    3,439.32/5,156.88 = 2,052.40/x
  3. Step 3: Cross multiply
    3,439.32x = 5,156.88 × 2,052.40
  4. Step 4: Simplify right side
    3,439.32x = 10,583,980.51
  5. Step 5: Solve for x
    x = 10,583,980.51/3,439.32
  6. Step 6: Final answer
    x = 3,077.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.