Home / 1,817.10-2,507.49-1,031.13

Finding the Fourth Proportional to 1,817.10, 2,507.49 and 1,031.13

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Solution

The fourth proportional to 1,817.10, 2,507.49 and 1,031.13 is: 1,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.10 : 2,507.49 = 1,031.13 : x
  2. Step 2: Convert to fraction form
    1,817.10/2,507.49 = 1,031.13/x
  3. Step 3: Cross multiply
    1,817.10x = 2,507.49 × 1,031.13
  4. Step 4: Simplify right side
    1,817.10x = 2,585,548.16
  5. Step 5: Solve for x
    x = 2,585,548.16/1,817.10
  6. Step 6: Final answer
    x = 1,422.90

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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.