Home / 1,749.21-2,616.06-1,555.57

Finding the Fourth Proportional to 1,749.21, 2,616.06 and 1,555.57

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Solution

The fourth proportional to 1,749.21, 2,616.06 and 1,555.57 is: 2,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.21 : 2,616.06 = 1,555.57 : x
  2. Step 2: Convert to fraction form
    1,749.21/2,616.06 = 1,555.57/x
  3. Step 3: Cross multiply
    1,749.21x = 2,616.06 × 1,555.57
  4. Step 4: Simplify right side
    1,749.21x = 4,069,473.56
  5. Step 5: Solve for x
    x = 4,069,473.56/1,749.21
  6. Step 6: Final answer
    x = 2,326.47

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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.