Home / 1,729.05-2,596.29-1,666.20

Finding the Fourth Proportional to 1,729.05, 2,596.29 and 1,666.20

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Solution

The fourth proportional to 1,729.05, 2,596.29 and 1,666.20 is: 2,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.05 : 2,596.29 = 1,666.20 : x
  2. Step 2: Convert to fraction form
    1,729.05/2,596.29 = 1,666.20/x
  3. Step 3: Cross multiply
    1,729.05x = 2,596.29 × 1,666.20
  4. Step 4: Simplify right side
    1,729.05x = 4,325,938.40
  5. Step 5: Solve for x
    x = 4,325,938.40/1,729.05
  6. Step 6: Final answer
    x = 2,501.92

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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.