Home / 1,841.34-2,539.84-1,142.68

Finding the Fourth Proportional to 1,841.34, 2,539.84 and 1,142.68

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Solution

The fourth proportional to 1,841.34, 2,539.84 and 1,142.68 is: 1,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.34 : 2,539.84 = 1,142.68 : x
  2. Step 2: Convert to fraction form
    1,841.34/2,539.84 = 1,142.68/x
  3. Step 3: Cross multiply
    1,841.34x = 2,539.84 × 1,142.68
  4. Step 4: Simplify right side
    1,841.34x = 2,902,224.37
  5. Step 5: Solve for x
    x = 2,902,224.37/1,841.34
  6. Step 6: Final answer
    x = 1,576.15

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1.5x scale

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.