Home / 1,881.09-2,817.53-1,148.45

Finding the Fourth Proportional to 1,881.09, 2,817.53 and 1,148.45

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Solution

The fourth proportional to 1,881.09, 2,817.53 and 1,148.45 is: 1,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.09 : 2,817.53 = 1,148.45 : x
  2. Step 2: Convert to fraction form
    1,881.09/2,817.53 = 1,148.45/x
  3. Step 3: Cross multiply
    1,881.09x = 2,817.53 × 1,148.45
  4. Step 4: Simplify right side
    1,881.09x = 3,235,772.50
  5. Step 5: Solve for x
    x = 3,235,772.50/1,881.09
  6. Step 6: Final answer
    x = 1,720.16

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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.