Home / 1,817.03-2,507.49-1,031.06

Finding the Fourth Proportional to 1,817.03, 2,507.49 and 1,031.06

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Solution

The fourth proportional to 1,817.03, 2,507.49 and 1,031.06 is: 1,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.03 : 2,507.49 = 1,031.06 : x
  2. Step 2: Convert to fraction form
    1,817.03/2,507.49 = 1,031.06/x
  3. Step 3: Cross multiply
    1,817.03x = 2,507.49 × 1,031.06
  4. Step 4: Simplify right side
    1,817.03x = 2,585,378.91
  5. Step 5: Solve for x
    x = 2,585,378.91/1,817.03
  6. Step 6: Final answer
    x = 1,422.86

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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.