Home / 1,973.91-2,721.57-1,599.51

Finding the Fourth Proportional to 1,973.91, 2,721.57 and 1,599.51

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Solution

The fourth proportional to 1,973.91, 2,721.57 and 1,599.51 is: 2,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.91 : 2,721.57 = 1,599.51 : x
  2. Step 2: Convert to fraction form
    1,973.91/2,721.57 = 1,599.51/x
  3. Step 3: Cross multiply
    1,973.91x = 2,721.57 × 1,599.51
  4. Step 4: Simplify right side
    1,973.91x = 4,353,156.83
  5. Step 5: Solve for x
    x = 4,353,156.83/1,973.91
  6. Step 6: Final answer
    x = 2,205.35

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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.