Home / 2,575.43-3,554.10-1,396.51

Finding the Fourth Proportional to 2,575.43, 3,554.10 and 1,396.51

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Solution

The fourth proportional to 2,575.43, 3,554.10 and 1,396.51 is: 1,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.43 : 3,554.10 = 1,396.51 : x
  2. Step 2: Convert to fraction form
    2,575.43/3,554.10 = 1,396.51/x
  3. Step 3: Cross multiply
    2,575.43x = 3,554.10 × 1,396.51
  4. Step 4: Simplify right side
    2,575.43x = 4,963,318.42
  5. Step 5: Solve for x
    x = 4,963,318.42/2,575.43
  6. Step 6: Final answer
    x = 1,927.18

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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.