Home / 1,577.53-2,175.55-1,262.82

Finding the Fourth Proportional to 1,577.53, 2,175.55 and 1,262.82

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Solution

The fourth proportional to 1,577.53, 2,175.55 and 1,262.82 is: 1,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.53 : 2,175.55 = 1,262.82 : x
  2. Step 2: Convert to fraction form
    1,577.53/2,175.55 = 1,262.82/x
  3. Step 3: Cross multiply
    1,577.53x = 2,175.55 × 1,262.82
  4. Step 4: Simplify right side
    1,577.53x = 2,747,328.05
  5. Step 5: Solve for x
    x = 2,747,328.05/1,577.53
  6. Step 6: Final answer
    x = 1,741.54

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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.