Home / 3,802.08-5,246.16-2,405.28

Finding the Fourth Proportional to 3,802.08, 5,246.16 and 2,405.28

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Solution

The fourth proportional to 3,802.08, 5,246.16 and 2,405.28 is: 3,318.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.08 : 5,246.16 = 2,405.28 : x
  2. Step 2: Convert to fraction form
    3,802.08/5,246.16 = 2,405.28/x
  3. Step 3: Cross multiply
    3,802.08x = 5,246.16 × 2,405.28
  4. Step 4: Simplify right side
    3,802.08x = 12,618,483.72
  5. Step 5: Solve for x
    x = 12,618,483.72/3,802.08
  6. Step 6: Final answer
    x = 3,318.84

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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.