Home / 2,041.90-2,818.20-1,157.92

Finding the Fourth Proportional to 2,041.90, 2,818.20 and 1,157.92

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Solution

The fourth proportional to 2,041.90, 2,818.20 and 1,157.92 is: 1,598.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.90 : 2,818.20 = 1,157.92 : x
  2. Step 2: Convert to fraction form
    2,041.90/2,818.20 = 1,157.92/x
  3. Step 3: Cross multiply
    2,041.90x = 2,818.20 × 1,157.92
  4. Step 4: Simplify right side
    2,041.90x = 3,263,250.14
  5. Step 5: Solve for x
    x = 3,263,250.14/2,041.90
  6. Step 6: Final answer
    x = 1,598.14

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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.