Home / 2,031.36-2,803.23-1,147.16

Finding the Fourth Proportional to 2,031.36, 2,803.23 and 1,147.16

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Solution

The fourth proportional to 2,031.36, 2,803.23 and 1,147.16 is: 1,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.36 : 2,803.23 = 1,147.16 : x
  2. Step 2: Convert to fraction form
    2,031.36/2,803.23 = 1,147.16/x
  3. Step 3: Cross multiply
    2,031.36x = 2,803.23 × 1,147.16
  4. Step 4: Simplify right side
    2,031.36x = 3,215,739.31
  5. Step 5: Solve for x
    x = 3,215,739.31/2,031.36
  6. Step 6: Final answer
    x = 1,583.05

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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.