Home / 2,325.89-3,210.29-1,331.75

Finding the Fourth Proportional to 2,325.89, 3,210.29 and 1,331.75

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Solution

The fourth proportional to 2,325.89, 3,210.29 and 1,331.75 is: 1,838.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.89 : 3,210.29 = 1,331.75 : x
  2. Step 2: Convert to fraction form
    2,325.89/3,210.29 = 1,331.75/x
  3. Step 3: Cross multiply
    2,325.89x = 3,210.29 × 1,331.75
  4. Step 4: Simplify right side
    2,325.89x = 4,275,281.00
  5. Step 5: Solve for x
    x = 4,275,281.00/2,325.89
  6. Step 6: Final answer
    x = 1,838.12

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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.