Home / 2,830.64-4,228.66-2,254.16

Finding the Fourth Proportional to 2,830.64, 4,228.66 and 2,254.16

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Solution

The fourth proportional to 2,830.64, 4,228.66 and 2,254.16 is: 3,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.64 : 4,228.66 = 2,254.16 : x
  2. Step 2: Convert to fraction form
    2,830.64/4,228.66 = 2,254.16/x
  3. Step 3: Cross multiply
    2,830.64x = 4,228.66 × 2,254.16
  4. Step 4: Simplify right side
    2,830.64x = 9,532,076.23
  5. Step 5: Solve for x
    x = 9,532,076.23/2,830.64
  6. Step 6: Final answer
    x = 3,367.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.