Home / 2,174.09-3,254.76-1,349.87

Finding the Fourth Proportional to 2,174.09, 3,254.76 and 1,349.87

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Solution

The fourth proportional to 2,174.09, 3,254.76 and 1,349.87 is: 2,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.09 : 3,254.76 = 1,349.87 : x
  2. Step 2: Convert to fraction form
    2,174.09/3,254.76 = 1,349.87/x
  3. Step 3: Cross multiply
    2,174.09x = 3,254.76 × 1,349.87
  4. Step 4: Simplify right side
    2,174.09x = 4,393,482.81
  5. Step 5: Solve for x
    x = 4,393,482.81/2,174.09
  6. Step 6: Final answer
    x = 2,020.84

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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.