Home / 1,554.35-2,144.13-1,180.67

Finding the Fourth Proportional to 1,554.35, 2,144.13 and 1,180.67

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Solution

The fourth proportional to 1,554.35, 2,144.13 and 1,180.67 is: 1,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.35 : 2,144.13 = 1,180.67 : x
  2. Step 2: Convert to fraction form
    1,554.35/2,144.13 = 1,180.67/x
  3. Step 3: Cross multiply
    1,554.35x = 2,144.13 × 1,180.67
  4. Step 4: Simplify right side
    1,554.35x = 2,531,509.97
  5. Step 5: Solve for x
    x = 2,531,509.97/1,554.35
  6. Step 6: Final answer
    x = 1,628.66

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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.