Home / 3,784.04-5,219.24-2,918.48

Finding the Fourth Proportional to 3,784.04, 5,219.24 and 2,918.48

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Solution

The fourth proportional to 3,784.04, 5,219.24 and 2,918.48 is: 4,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.04 : 5,219.24 = 2,918.48 : x
  2. Step 2: Convert to fraction form
    3,784.04/5,219.24 = 2,918.48/x
  3. Step 3: Cross multiply
    3,784.04x = 5,219.24 × 2,918.48
  4. Step 4: Simplify right side
    3,784.04x = 15,232,246.01
  5. Step 5: Solve for x
    x = 15,232,246.01/3,784.04
  6. Step 6: Final answer
    x = 4,025.40

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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.