Home / 2,575.49-3,554.18-1,396.55

Finding the Fourth Proportional to 2,575.49, 3,554.18 and 1,396.55

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Solution

The fourth proportional to 2,575.49, 3,554.18 and 1,396.55 is: 1,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.49 : 3,554.18 = 1,396.55 : x
  2. Step 2: Convert to fraction form
    2,575.49/3,554.18 = 1,396.55/x
  3. Step 3: Cross multiply
    2,575.49x = 3,554.18 × 1,396.55
  4. Step 4: Simplify right side
    2,575.49x = 4,963,602.46
  5. Step 5: Solve for x
    x = 4,963,602.46/2,575.49
  6. Step 6: Final answer
    x = 1,927.24

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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.