Home / 3,210.46-4,430.42-1,884.20

Finding the Fourth Proportional to 3,210.46, 4,430.42 and 1,884.20

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Solution

The fourth proportional to 3,210.46, 4,430.42 and 1,884.20 is: 2,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.46 : 4,430.42 = 1,884.20 : x
  2. Step 2: Convert to fraction form
    3,210.46/4,430.42 = 1,884.20/x
  3. Step 3: Cross multiply
    3,210.46x = 4,430.42 × 1,884.20
  4. Step 4: Simplify right side
    3,210.46x = 8,347,797.36
  5. Step 5: Solve for x
    x = 8,347,797.36/3,210.46
  6. Step 6: Final answer
    x = 2,600.19

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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.