Home / 1,554.14-2,331.54-514.22

Finding the Fourth Proportional to 1,554.14, 2,331.54 and 514.22

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Solution

The fourth proportional to 1,554.14, 2,331.54 and 514.22 is: 771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.14 : 2,331.54 = 514.22 : x
  2. Step 2: Convert to fraction form
    1,554.14/2,331.54 = 514.22/x
  3. Step 3: Cross multiply
    1,554.14x = 2,331.54 × 514.22
  4. Step 4: Simplify right side
    1,554.14x = 1,198,924.50
  5. Step 5: Solve for x
    x = 1,198,924.50/1,554.14
  6. Step 6: Final answer
    x = 771.44

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1.5x scale

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.