Home / 2,031.23-2,803.07-1,147.32

Finding the Fourth Proportional to 2,031.23, 2,803.07 and 1,147.32

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Solution

The fourth proportional to 2,031.23, 2,803.07 and 1,147.32 is: 1,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.23 : 2,803.07 = 1,147.32 : x
  2. Step 2: Convert to fraction form
    2,031.23/2,803.07 = 1,147.32/x
  3. Step 3: Cross multiply
    2,031.23x = 2,803.07 × 1,147.32
  4. Step 4: Simplify right side
    2,031.23x = 3,216,021.14
  5. Step 5: Solve for x
    x = 3,216,021.14/2,031.23
  6. Step 6: Final answer
    x = 1,583.29

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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.