Home / 1,450.30-2,174.10-1,011.55

Finding the Fourth Proportional to 1,450.30, 2,174.10 and 1,011.55

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Solution

The fourth proportional to 1,450.30, 2,174.10 and 1,011.55 is: 1,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.30 : 2,174.10 = 1,011.55 : x
  2. Step 2: Convert to fraction form
    1,450.30/2,174.10 = 1,011.55/x
  3. Step 3: Cross multiply
    1,450.30x = 2,174.10 × 1,011.55
  4. Step 4: Simplify right side
    1,450.30x = 2,199,210.86
  5. Step 5: Solve for x
    x = 2,199,210.86/1,450.30
  6. Step 6: Final answer
    x = 1,516.38

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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.