Home / 2,455.77-3,388.53-1,461.30

Finding the Fourth Proportional to 2,455.77, 3,388.53 and 1,461.30

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Solution

The fourth proportional to 2,455.77, 3,388.53 and 1,461.30 is: 2,016.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.77 : 3,388.53 = 1,461.30 : x
  2. Step 2: Convert to fraction form
    2,455.77/3,388.53 = 1,461.30/x
  3. Step 3: Cross multiply
    2,455.77x = 3,388.53 × 1,461.30
  4. Step 4: Simplify right side
    2,455.77x = 4,951,658.89
  5. Step 5: Solve for x
    x = 4,951,658.89/2,455.77
  6. Step 6: Final answer
    x = 2,016.34

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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.