Home / 2,043.61-2,820.14-1,147.37

Finding the Fourth Proportional to 2,043.61, 2,820.14 and 1,147.37

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Solution

The fourth proportional to 2,043.61, 2,820.14 and 1,147.37 is: 1,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.61 : 2,820.14 = 1,147.37 : x
  2. Step 2: Convert to fraction form
    2,043.61/2,820.14 = 1,147.37/x
  3. Step 3: Cross multiply
    2,043.61x = 2,820.14 × 1,147.37
  4. Step 4: Simplify right side
    2,043.61x = 3,235,758.75
  5. Step 5: Solve for x
    x = 3,235,758.75/2,043.61
  6. Step 6: Final answer
    x = 1,583.35

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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.