Home / 1,654.91-2,284.58-1,521.48

Finding the Fourth Proportional to 1,654.91, 2,284.58 and 1,521.48

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Solution

The fourth proportional to 1,654.91, 2,284.58 and 1,521.48 is: 2,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.91 : 2,284.58 = 1,521.48 : x
  2. Step 2: Convert to fraction form
    1,654.91/2,284.58 = 1,521.48/x
  3. Step 3: Cross multiply
    1,654.91x = 2,284.58 × 1,521.48
  4. Step 4: Simplify right side
    1,654.91x = 3,475,950.87
  5. Step 5: Solve for x
    x = 3,475,950.87/1,654.91
  6. Step 6: Final answer
    x = 2,100.39

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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.