Home / 1,654.11-2,479.99-1,395.77

Finding the Fourth Proportional to 1,654.11, 2,479.99 and 1,395.77

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Solution

The fourth proportional to 1,654.11, 2,479.99 and 1,395.77 is: 2,092.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.11 : 2,479.99 = 1,395.77 : x
  2. Step 2: Convert to fraction form
    1,654.11/2,479.99 = 1,395.77/x
  3. Step 3: Cross multiply
    1,654.11x = 2,479.99 × 1,395.77
  4. Step 4: Simplify right side
    1,654.11x = 3,461,495.64
  5. Step 5: Solve for x
    x = 3,461,495.64/1,654.11
  6. Step 6: Final answer
    x = 2,092.66

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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.