Home / 1,972.02-2,718.42-1,622.10

Finding the Fourth Proportional to 1,972.02, 2,718.42 and 1,622.10

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Solution

The fourth proportional to 1,972.02, 2,718.42 and 1,622.10 is: 2,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.02 : 2,718.42 = 1,622.10 : x
  2. Step 2: Convert to fraction form
    1,972.02/2,718.42 = 1,622.10/x
  3. Step 3: Cross multiply
    1,972.02x = 2,718.42 × 1,622.10
  4. Step 4: Simplify right side
    1,972.02x = 4,409,549.08
  5. Step 5: Solve for x
    x = 4,409,549.08/1,972.02
  6. Step 6: Final answer
    x = 2,236.06

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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.