Home / 1,817.08-2,507.61-1,031.13

Finding the Fourth Proportional to 1,817.08, 2,507.61 and 1,031.13

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Solution

The fourth proportional to 1,817.08, 2,507.61 and 1,031.13 is: 1,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.08 : 2,507.61 = 1,031.13 : x
  2. Step 2: Convert to fraction form
    1,817.08/2,507.61 = 1,031.13/x
  3. Step 3: Cross multiply
    1,817.08x = 2,507.61 × 1,031.13
  4. Step 4: Simplify right side
    1,817.08x = 2,585,669.97
  5. Step 5: Solve for x
    x = 2,585,669.97/1,817.08
  6. Step 6: Final answer
    x = 1,422.98

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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.