Home / 1,680.86-2,522.00-1,537.58

Finding the Fourth Proportional to 1,680.86, 2,522.00 and 1,537.58

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Solution

The fourth proportional to 1,680.86, 2,522.00 and 1,537.58 is: 2,307.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.86 : 2,522.00 = 1,537.58 : x
  2. Step 2: Convert to fraction form
    1,680.86/2,522.00 = 1,537.58/x
  3. Step 3: Cross multiply
    1,680.86x = 2,522.00 × 1,537.58
  4. Step 4: Simplify right side
    1,680.86x = 3,877,767.99
  5. Step 5: Solve for x
    x = 3,877,767.99/1,680.86
  6. Step 6: Final answer
    x = 2,307.02

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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.