Home / 3,287.77-4,930.23-1,095.91

Finding the Fourth Proportional to 3,287.77, 4,930.23 and 1,095.91

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Solution

The fourth proportional to 3,287.77, 4,930.23 and 1,095.91 is: 1,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.77 : 4,930.23 = 1,095.91 : x
  2. Step 2: Convert to fraction form
    3,287.77/4,930.23 = 1,095.91/x
  3. Step 3: Cross multiply
    3,287.77x = 4,930.23 × 1,095.91
  4. Step 4: Simplify right side
    3,287.77x = 5,403,088.36
  5. Step 5: Solve for x
    x = 5,403,088.36/3,287.77
  6. Step 6: Final answer
    x = 1,643.39

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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.