Home / 1,513.98-2,270.97-1,256.94

Finding the Fourth Proportional to 1,513.98, 2,270.97 and 1,256.94

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Solution

The fourth proportional to 1,513.98, 2,270.97 and 1,256.94 is: 1,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.98 : 2,270.97 = 1,256.94 : x
  2. Step 2: Convert to fraction form
    1,513.98/2,270.97 = 1,256.94/x
  3. Step 3: Cross multiply
    1,513.98x = 2,270.97 × 1,256.94
  4. Step 4: Simplify right side
    1,513.98x = 2,854,473.03
  5. Step 5: Solve for x
    x = 2,854,473.03/1,513.98
  6. Step 6: Final answer
    x = 1,885.41

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1.5x scale

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.