Home / 1,887.23-2,831.85-1,614.57

Finding the Fourth Proportional to 1,887.23, 2,831.85 and 1,614.57

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Solution

The fourth proportional to 1,887.23, 2,831.85 and 1,614.57 is: 2,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.23 : 2,831.85 = 1,614.57 : x
  2. Step 2: Convert to fraction form
    1,887.23/2,831.85 = 1,614.57/x
  3. Step 3: Cross multiply
    1,887.23x = 2,831.85 × 1,614.57
  4. Step 4: Simplify right side
    1,887.23x = 4,572,220.05
  5. Step 5: Solve for x
    x = 4,572,220.05/1,887.23
  6. Step 6: Final answer
    x = 2,422.72

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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.