Home / 1,707.13-2,561.64-1,583.20

Finding the Fourth Proportional to 1,707.13, 2,561.64 and 1,583.20

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Solution

The fourth proportional to 1,707.13, 2,561.64 and 1,583.20 is: 2,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.13 : 2,561.64 = 1,583.20 : x
  2. Step 2: Convert to fraction form
    1,707.13/2,561.64 = 1,583.20/x
  3. Step 3: Cross multiply
    1,707.13x = 2,561.64 × 1,583.20
  4. Step 4: Simplify right side
    1,707.13x = 4,055,588.45
  5. Step 5: Solve for x
    x = 4,055,588.45/1,707.13
  6. Step 6: Final answer
    x = 2,375.68

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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.