Home / 1,450.03-2,173.74-986.62

Finding the Fourth Proportional to 1,450.03, 2,173.74 and 986.62

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Solution

The fourth proportional to 1,450.03, 2,173.74 and 986.62 is: 1,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.03 : 2,173.74 = 986.62 : x
  2. Step 2: Convert to fraction form
    1,450.03/2,173.74 = 986.62/x
  3. Step 3: Cross multiply
    1,450.03x = 2,173.74 × 986.62
  4. Step 4: Simplify right side
    1,450.03x = 2,144,655.36
  5. Step 5: Solve for x
    x = 2,144,655.36/1,450.03
  6. Step 6: Final answer
    x = 1,479.04

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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.