Home / 1,707.51-2,559.45-1,219.08

Finding the Fourth Proportional to 1,707.51, 2,559.45 and 1,219.08

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Solution

The fourth proportional to 1,707.51, 2,559.45 and 1,219.08 is: 1,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.51 : 2,559.45 = 1,219.08 : x
  2. Step 2: Convert to fraction form
    1,707.51/2,559.45 = 1,219.08/x
  3. Step 3: Cross multiply
    1,707.51x = 2,559.45 × 1,219.08
  4. Step 4: Simplify right side
    1,707.51x = 3,120,174.31
  5. Step 5: Solve for x
    x = 3,120,174.31/1,707.51
  6. Step 6: Final answer
    x = 1,827.32

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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.