Home / 1,972.08-2,720.10-1,599.07

Finding the Fourth Proportional to 1,972.08, 2,720.10 and 1,599.07

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Solution

The fourth proportional to 1,972.08, 2,720.10 and 1,599.07 is: 2,205.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.08 : 2,720.10 = 1,599.07 : x
  2. Step 2: Convert to fraction form
    1,972.08/2,720.10 = 1,599.07/x
  3. Step 3: Cross multiply
    1,972.08x = 2,720.10 × 1,599.07
  4. Step 4: Simplify right side
    1,972.08x = 4,349,630.31
  5. Step 5: Solve for x
    x = 4,349,630.31/1,972.08
  6. Step 6: Final answer
    x = 2,205.61

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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.