Home / 1,682.12-2,521.76-848.63

Finding the Fourth Proportional to 1,682.12, 2,521.76 and 848.63

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Solution

The fourth proportional to 1,682.12, 2,521.76 and 848.63 is: 1,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.12 : 2,521.76 = 848.63 : x
  2. Step 2: Convert to fraction form
    1,682.12/2,521.76 = 848.63/x
  3. Step 3: Cross multiply
    1,682.12x = 2,521.76 × 848.63
  4. Step 4: Simplify right side
    1,682.12x = 2,140,024.34
  5. Step 5: Solve for x
    x = 2,140,024.34/1,682.12
  6. Step 6: Final answer
    x = 1,272.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.