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Finding the Fourth Proportional to 1,797.40, 2,480.48 and 1,011.43

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Solution

The fourth proportional to 1,797.40, 2,480.48 and 1,011.43 is: 1,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.40 : 2,480.48 = 1,011.43 : x
  2. Step 2: Convert to fraction form
    1,797.40/2,480.48 = 1,011.43/x
  3. Step 3: Cross multiply
    1,797.40x = 2,480.48 × 1,011.43
  4. Step 4: Simplify right side
    1,797.40x = 2,508,831.89
  5. Step 5: Solve for x
    x = 2,508,831.89/1,797.40
  6. Step 6: Final answer
    x = 1,395.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.