Home / 1,760.28-2,637.45-1,143.06

Finding the Fourth Proportional to 1,760.28, 2,637.45 and 1,143.06

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Solution

The fourth proportional to 1,760.28, 2,637.45 and 1,143.06 is: 1,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.28 : 2,637.45 = 1,143.06 : x
  2. Step 2: Convert to fraction form
    1,760.28/2,637.45 = 1,143.06/x
  3. Step 3: Cross multiply
    1,760.28x = 2,637.45 × 1,143.06
  4. Step 4: Simplify right side
    1,760.28x = 3,014,763.60
  5. Step 5: Solve for x
    x = 3,014,763.60/1,760.28
  6. Step 6: Final answer
    x = 1,712.66

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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.