Home / 2,031.26-2,803.09-1,147.08

Finding the Fourth Proportional to 2,031.26, 2,803.09 and 1,147.08

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Solution

The fourth proportional to 2,031.26, 2,803.09 and 1,147.08 is: 1,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.26 : 2,803.09 = 1,147.08 : x
  2. Step 2: Convert to fraction form
    2,031.26/2,803.09 = 1,147.08/x
  3. Step 3: Cross multiply
    2,031.26x = 2,803.09 × 1,147.08
  4. Step 4: Simplify right side
    2,031.26x = 3,215,368.48
  5. Step 5: Solve for x
    x = 3,215,368.48/2,031.26
  6. Step 6: Final answer
    x = 1,582.94

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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.