Home / 3,590.08-5,382.37-1,640.92

Finding the Fourth Proportional to 3,590.08, 5,382.37 and 1,640.92

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Solution

The fourth proportional to 3,590.08, 5,382.37 and 1,640.92 is: 2,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.08 : 5,382.37 = 1,640.92 : x
  2. Step 2: Convert to fraction form
    3,590.08/5,382.37 = 1,640.92/x
  3. Step 3: Cross multiply
    3,590.08x = 5,382.37 × 1,640.92
  4. Step 4: Simplify right side
    3,590.08x = 8,832,038.58
  5. Step 5: Solve for x
    x = 8,832,038.58/3,590.08
  6. Step 6: Final answer
    x = 2,460.12

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1.5x scale

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.