Home / 1,831.40-2,525.34-1,300.14

Finding the Fourth Proportional to 1,831.40, 2,525.34 and 1,300.14

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Solution

The fourth proportional to 1,831.40, 2,525.34 and 1,300.14 is: 1,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.40 : 2,525.34 = 1,300.14 : x
  2. Step 2: Convert to fraction form
    1,831.40/2,525.34 = 1,300.14/x
  3. Step 3: Cross multiply
    1,831.40x = 2,525.34 × 1,300.14
  4. Step 4: Simplify right side
    1,831.40x = 3,283,295.55
  5. Step 5: Solve for x
    x = 3,283,295.55/1,831.40
  6. Step 6: Final answer
    x = 1,792.78

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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.