Home / 1,700.21-2,549.70-1,180.19

Finding the Fourth Proportional to 1,700.21, 2,549.70 and 1,180.19

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Solution

The fourth proportional to 1,700.21, 2,549.70 and 1,180.19 is: 1,769.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.21 : 2,549.70 = 1,180.19 : x
  2. Step 2: Convert to fraction form
    1,700.21/2,549.70 = 1,180.19/x
  3. Step 3: Cross multiply
    1,700.21x = 2,549.70 × 1,180.19
  4. Step 4: Simplify right side
    1,700.21x = 3,009,117.69
  5. Step 5: Solve for x
    x = 3,009,117.69/1,700.21
  6. Step 6: Final answer
    x = 1,769.86

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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.