Home / 1,831.39-2,740.70-1,498.48

Finding the Fourth Proportional to 1,831.39, 2,740.70 and 1,498.48

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Solution

The fourth proportional to 1,831.39, 2,740.70 and 1,498.48 is: 2,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.39 : 2,740.70 = 1,498.48 : x
  2. Step 2: Convert to fraction form
    1,831.39/2,740.70 = 1,498.48/x
  3. Step 3: Cross multiply
    1,831.39x = 2,740.70 × 1,498.48
  4. Step 4: Simplify right side
    1,831.39x = 4,106,884.14
  5. Step 5: Solve for x
    x = 4,106,884.14/1,831.39
  6. Step 6: Final answer
    x = 2,242.50

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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.