Home / 2,261.95-3,393-1,075.74

Finding the Fourth Proportional to 2,261.95, 3,393 and 1,075.74

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Solution

The fourth proportional to 2,261.95, 3,393 and 1,075.74 is: 1,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.95 : 3,393 = 1,075.74 : x
  2. Step 2: Convert to fraction form
    2,261.95/3,393 = 1,075.74/x
  3. Step 3: Cross multiply
    2,261.95x = 3,393 × 1,075.74
  4. Step 4: Simplify right side
    2,261.95x = 3,649,985.82
  5. Step 5: Solve for x
    x = 3,649,985.82/2,261.95
  6. Step 6: Final answer
    x = 1,613.65

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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.