Home / 1,772.93-2,445.44-1,143.24

Finding the Fourth Proportional to 1,772.93, 2,445.44 and 1,143.24

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Solution

The fourth proportional to 1,772.93, 2,445.44 and 1,143.24 is: 1,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.93 : 2,445.44 = 1,143.24 : x
  2. Step 2: Convert to fraction form
    1,772.93/2,445.44 = 1,143.24/x
  3. Step 3: Cross multiply
    1,772.93x = 2,445.44 × 1,143.24
  4. Step 4: Simplify right side
    1,772.93x = 2,795,719.11
  5. Step 5: Solve for x
    x = 2,795,719.11/1,772.93
  6. Step 6: Final answer
    x = 1,576.90

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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.