Home / 1,835.87-2,531.25-1,172.88

Finding the Fourth Proportional to 1,835.87, 2,531.25 and 1,172.88

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Solution

The fourth proportional to 1,835.87, 2,531.25 and 1,172.88 is: 1,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.87 : 2,531.25 = 1,172.88 : x
  2. Step 2: Convert to fraction form
    1,835.87/2,531.25 = 1,172.88/x
  3. Step 3: Cross multiply
    1,835.87x = 2,531.25 × 1,172.88
  4. Step 4: Simplify right side
    1,835.87x = 2,968,852.50
  5. Step 5: Solve for x
    x = 2,968,852.50/1,835.87
  6. Step 6: Final answer
    x = 1,617.14

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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.