Home / 3,480.24-4,802.80-1,908.32

Finding the Fourth Proportional to 3,480.24, 4,802.80 and 1,908.32

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Solution

The fourth proportional to 3,480.24, 4,802.80 and 1,908.32 is: 2,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.24 : 4,802.80 = 1,908.32 : x
  2. Step 2: Convert to fraction form
    3,480.24/4,802.80 = 1,908.32/x
  3. Step 3: Cross multiply
    3,480.24x = 4,802.80 × 1,908.32
  4. Step 4: Simplify right side
    3,480.24x = 9,165,279.30
  5. Step 5: Solve for x
    x = 9,165,279.30/3,480.24
  6. Step 6: Final answer
    x = 2,633.52

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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.