Home / 3,210.71-4,431.10-1,884.37

Finding the Fourth Proportional to 3,210.71, 4,431.10 and 1,884.37

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Solution

The fourth proportional to 3,210.71, 4,431.10 and 1,884.37 is: 2,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.71 : 4,431.10 = 1,884.37 : x
  2. Step 2: Convert to fraction form
    3,210.71/4,431.10 = 1,884.37/x
  3. Step 3: Cross multiply
    3,210.71x = 4,431.10 × 1,884.37
  4. Step 4: Simplify right side
    3,210.71x = 8,349,831.91
  5. Step 5: Solve for x
    x = 8,349,831.91/3,210.71
  6. Step 6: Final answer
    x = 2,600.62

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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.