Home / 2,454.10-3,390.05-1,956.08

Finding the Fourth Proportional to 2,454.10, 3,390.05 and 1,956.08

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Solution

The fourth proportional to 2,454.10, 3,390.05 and 1,956.08 is: 2,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.10 : 3,390.05 = 1,956.08 : x
  2. Step 2: Convert to fraction form
    2,454.10/3,390.05 = 1,956.08/x
  3. Step 3: Cross multiply
    2,454.10x = 3,390.05 × 1,956.08
  4. Step 4: Simplify right side
    2,454.10x = 6,631,222.37
  5. Step 5: Solve for x
    x = 6,631,222.37/2,454.10
  6. Step 6: Final answer
    x = 2,702.10

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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.