Home / 2,455.60-3,388.78-1,461.64

Finding the Fourth Proportional to 2,455.60, 3,388.78 and 1,461.64

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Solution

The fourth proportional to 2,455.60, 3,388.78 and 1,461.64 is: 2,017.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.60 : 3,388.78 = 1,461.64 : x
  2. Step 2: Convert to fraction form
    2,455.60/3,388.78 = 1,461.64/x
  3. Step 3: Cross multiply
    2,455.60x = 3,388.78 × 1,461.64
  4. Step 4: Simplify right side
    2,455.60x = 4,953,176.40
  5. Step 5: Solve for x
    x = 4,953,176.40/2,455.60
  6. Step 6: Final answer
    x = 2,017.09

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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.