Home / 1,262.39-1,895.93-1,031.76

Finding the Fourth Proportional to 1,262.39, 1,895.93 and 1,031.76

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Solution

The fourth proportional to 1,262.39, 1,895.93 and 1,031.76 is: 1,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.39 : 1,895.93 = 1,031.76 : x
  2. Step 2: Convert to fraction form
    1,262.39/1,895.93 = 1,031.76/x
  3. Step 3: Cross multiply
    1,262.39x = 1,895.93 × 1,031.76
  4. Step 4: Simplify right side
    1,262.39x = 1,956,151.68
  5. Step 5: Solve for x
    x = 1,956,151.68/1,262.39
  6. Step 6: Final answer
    x = 1,549.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.