Home / 3,578.08-4,937.75-2,085.71

Finding the Fourth Proportional to 3,578.08, 4,937.75 and 2,085.71

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Solution

The fourth proportional to 3,578.08, 4,937.75 and 2,085.71 is: 2,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.08 : 4,937.75 = 2,085.71 : x
  2. Step 2: Convert to fraction form
    3,578.08/4,937.75 = 2,085.71/x
  3. Step 3: Cross multiply
    3,578.08x = 4,937.75 × 2,085.71
  4. Step 4: Simplify right side
    3,578.08x = 10,298,710.02
  5. Step 5: Solve for x
    x = 10,298,710.02/3,578.08
  6. Step 6: Final answer
    x = 2,878.28

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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.