Home / 4,210.28-5,810.15-2,321.81

Finding the Fourth Proportional to 4,210.28, 5,810.15 and 2,321.81

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Solution

The fourth proportional to 4,210.28, 5,810.15 and 2,321.81 is: 3,204.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.28 : 5,810.15 = 2,321.81 : x
  2. Step 2: Convert to fraction form
    4,210.28/5,810.15 = 2,321.81/x
  3. Step 3: Cross multiply
    4,210.28x = 5,810.15 × 2,321.81
  4. Step 4: Simplify right side
    4,210.28x = 13,490,082.54
  5. Step 5: Solve for x
    x = 13,490,082.54/4,210.28
  6. Step 6: Final answer
    x = 3,204.08

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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.