Home / 2,750.64-4,101.42-2,445.36

Finding the Fourth Proportional to 2,750.64, 4,101.42 and 2,445.36

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Solution

The fourth proportional to 2,750.64, 4,101.42 and 2,445.36 is: 3,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.64 : 4,101.42 = 2,445.36 : x
  2. Step 2: Convert to fraction form
    2,750.64/4,101.42 = 2,445.36/x
  3. Step 3: Cross multiply
    2,750.64x = 4,101.42 × 2,445.36
  4. Step 4: Simplify right side
    2,750.64x = 10,029,448.41
  5. Step 5: Solve for x
    x = 10,029,448.41/2,750.64
  6. Step 6: Final answer
    x = 3,646.22

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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.