Home / 1,817.42-2,508.53-1,031.72

Finding the Fourth Proportional to 1,817.42, 2,508.53 and 1,031.72

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Solution

The fourth proportional to 1,817.42, 2,508.53 and 1,031.72 is: 1,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.42 : 2,508.53 = 1,031.72 : x
  2. Step 2: Convert to fraction form
    1,817.42/2,508.53 = 1,031.72/x
  3. Step 3: Cross multiply
    1,817.42x = 2,508.53 × 1,031.72
  4. Step 4: Simplify right side
    1,817.42x = 2,588,082.87
  5. Step 5: Solve for x
    x = 2,588,082.87/1,817.42
  6. Step 6: Final answer
    x = 1,424.05

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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.