Home / 2,853.69-3,937.98-1,658.51

Finding the Fourth Proportional to 2,853.69, 3,937.98 and 1,658.51

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Solution

The fourth proportional to 2,853.69, 3,937.98 and 1,658.51 is: 2,288.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.69 : 3,937.98 = 1,658.51 : x
  2. Step 2: Convert to fraction form
    2,853.69/3,937.98 = 1,658.51/x
  3. Step 3: Cross multiply
    2,853.69x = 3,937.98 × 1,658.51
  4. Step 4: Simplify right side
    2,853.69x = 6,531,179.21
  5. Step 5: Solve for x
    x = 6,531,179.21/2,853.69
  6. Step 6: Final answer
    x = 2,288.68

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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.