Home / 3,210.01-4,429.60-1,812.49

Finding the Fourth Proportional to 3,210.01, 4,429.60 and 1,812.49

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Solution

The fourth proportional to 3,210.01, 4,429.60 and 1,812.49 is: 2,501.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.01 : 4,429.60 = 1,812.49 : x
  2. Step 2: Convert to fraction form
    3,210.01/4,429.60 = 1,812.49/x
  3. Step 3: Cross multiply
    3,210.01x = 4,429.60 × 1,812.49
  4. Step 4: Simplify right side
    3,210.01x = 8,028,605.70
  5. Step 5: Solve for x
    x = 8,028,605.70/3,210.01
  6. Step 6: Final answer
    x = 2,501.12

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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.