Home / 2,127.19-3,173.69-1,893.28

Finding the Fourth Proportional to 2,127.19, 3,173.69 and 1,893.28

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Solution

The fourth proportional to 2,127.19, 3,173.69 and 1,893.28 is: 2,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.19 : 3,173.69 = 1,893.28 : x
  2. Step 2: Convert to fraction form
    2,127.19/3,173.69 = 1,893.28/x
  3. Step 3: Cross multiply
    2,127.19x = 3,173.69 × 1,893.28
  4. Step 4: Simplify right side
    2,127.19x = 6,008,683.80
  5. Step 5: Solve for x
    x = 6,008,683.80/2,127.19
  6. Step 6: Final answer
    x = 2,824.70

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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.