Home / 1,831.66-2,528.17-1,085.84

Finding the Fourth Proportional to 1,831.66, 2,528.17 and 1,085.84

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Solution

The fourth proportional to 1,831.66, 2,528.17 and 1,085.84 is: 1,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.66 : 2,528.17 = 1,085.84 : x
  2. Step 2: Convert to fraction form
    1,831.66/2,528.17 = 1,085.84/x
  3. Step 3: Cross multiply
    1,831.66x = 2,528.17 × 1,085.84
  4. Step 4: Simplify right side
    1,831.66x = 2,745,182.24
  5. Step 5: Solve for x
    x = 2,745,182.24/1,831.66
  6. Step 6: Final answer
    x = 1,498.74

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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.