Home / 2,325.89-3,208.74-1,970.30

Finding the Fourth Proportional to 2,325.89, 3,208.74 and 1,970.30

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Solution

The fourth proportional to 2,325.89, 3,208.74 and 1,970.30 is: 2,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.89 : 3,208.74 = 1,970.30 : x
  2. Step 2: Convert to fraction form
    2,325.89/3,208.74 = 1,970.30/x
  3. Step 3: Cross multiply
    2,325.89x = 3,208.74 × 1,970.30
  4. Step 4: Simplify right side
    2,325.89x = 6,322,180.42
  5. Step 5: Solve for x
    x = 6,322,180.42/2,325.89
  6. Step 6: Final answer
    x = 2,718.18

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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.