Home / 2,976.74-4,485.54-2,468.15

Finding the Fourth Proportional to 2,976.74, 4,485.54 and 2,468.15

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Solution

The fourth proportional to 2,976.74, 4,485.54 and 2,468.15 is: 3,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.74 : 4,485.54 = 2,468.15 : x
  2. Step 2: Convert to fraction form
    2,976.74/4,485.54 = 2,468.15/x
  3. Step 3: Cross multiply
    2,976.74x = 4,485.54 × 2,468.15
  4. Step 4: Simplify right side
    2,976.74x = 11,070,985.55
  5. Step 5: Solve for x
    x = 11,070,985.55/2,976.74
  6. Step 6: Final answer
    x = 3,719.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.