Home / 2,127.64-3,189.63-1,032.76

Finding the Fourth Proportional to 2,127.64, 3,189.63 and 1,032.76

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Solution

The fourth proportional to 2,127.64, 3,189.63 and 1,032.76 is: 1,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.64 : 3,189.63 = 1,032.76 : x
  2. Step 2: Convert to fraction form
    2,127.64/3,189.63 = 1,032.76/x
  3. Step 3: Cross multiply
    2,127.64x = 3,189.63 × 1,032.76
  4. Step 4: Simplify right side
    2,127.64x = 3,294,122.28
  5. Step 5: Solve for x
    x = 3,294,122.28/2,127.64
  6. Step 6: Final answer
    x = 1,548.25

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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.