Home / 1,554.12-2,145.04-1,057.95

Finding the Fourth Proportional to 1,554.12, 2,145.04 and 1,057.95

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Solution

The fourth proportional to 1,554.12, 2,145.04 and 1,057.95 is: 1,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.12 : 2,145.04 = 1,057.95 : x
  2. Step 2: Convert to fraction form
    1,554.12/2,145.04 = 1,057.95/x
  3. Step 3: Cross multiply
    1,554.12x = 2,145.04 × 1,057.95
  4. Step 4: Simplify right side
    1,554.12x = 2,269,342.42
  5. Step 5: Solve for x
    x = 2,269,342.42/1,554.12
  6. Step 6: Final answer
    x = 1,460.21

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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.