Home / 3,078.10-4,616.40-1,433.08

Finding the Fourth Proportional to 3,078.10, 4,616.40 and 1,433.08

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Solution

The fourth proportional to 3,078.10, 4,616.40 and 1,433.08 is: 2,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.10 : 4,616.40 = 1,433.08 : x
  2. Step 2: Convert to fraction form
    3,078.10/4,616.40 = 1,433.08/x
  3. Step 3: Cross multiply
    3,078.10x = 4,616.40 × 1,433.08
  4. Step 4: Simplify right side
    3,078.10x = 6,615,670.51
  5. Step 5: Solve for x
    x = 6,615,670.51/3,078.10
  6. Step 6: Final answer
    x = 2,149.27

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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.