Home / 1,707.44-2,561.81-1,239.35

Finding the Fourth Proportional to 1,707.44, 2,561.81 and 1,239.35

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Solution

The fourth proportional to 1,707.44, 2,561.81 and 1,239.35 is: 1,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.44 : 2,561.81 = 1,239.35 : x
  2. Step 2: Convert to fraction form
    1,707.44/2,561.81 = 1,239.35/x
  3. Step 3: Cross multiply
    1,707.44x = 2,561.81 × 1,239.35
  4. Step 4: Simplify right side
    1,707.44x = 3,174,960.22
  5. Step 5: Solve for x
    x = 3,174,960.22/1,707.44
  6. Step 6: Final answer
    x = 1,859.49

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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.