Home / 3,088.21-4,634.16-1,887.05

Finding the Fourth Proportional to 3,088.21, 4,634.16 and 1,887.05

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Solution

The fourth proportional to 3,088.21, 4,634.16 and 1,887.05 is: 2,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.21 : 4,634.16 = 1,887.05 : x
  2. Step 2: Convert to fraction form
    3,088.21/4,634.16 = 1,887.05/x
  3. Step 3: Cross multiply
    3,088.21x = 4,634.16 × 1,887.05
  4. Step 4: Simplify right side
    3,088.21x = 8,744,891.63
  5. Step 5: Solve for x
    x = 8,744,891.63/3,088.21
  6. Step 6: Final answer
    x = 2,831.70

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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.