Home / 1,708.75-2,356.72-1,119.17

Finding the Fourth Proportional to 1,708.75, 2,356.72 and 1,119.17

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Solution

The fourth proportional to 1,708.75, 2,356.72 and 1,119.17 is: 1,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.75 : 2,356.72 = 1,119.17 : x
  2. Step 2: Convert to fraction form
    1,708.75/2,356.72 = 1,119.17/x
  3. Step 3: Cross multiply
    1,708.75x = 2,356.72 × 1,119.17
  4. Step 4: Simplify right side
    1,708.75x = 2,637,563.31
  5. Step 5: Solve for x
    x = 2,637,563.31/1,708.75
  6. Step 6: Final answer
    x = 1,543.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.