Home / 1,716.78-2,368.70-1,158.26

Finding the Fourth Proportional to 1,716.78, 2,368.70 and 1,158.26

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Solution

The fourth proportional to 1,716.78, 2,368.70 and 1,158.26 is: 1,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.78 : 2,368.70 = 1,158.26 : x
  2. Step 2: Convert to fraction form
    1,716.78/2,368.70 = 1,158.26/x
  3. Step 3: Cross multiply
    1,716.78x = 2,368.70 × 1,158.26
  4. Step 4: Simplify right side
    1,716.78x = 2,743,570.46
  5. Step 5: Solve for x
    x = 2,743,570.46/1,716.78
  6. Step 6: Final answer
    x = 1,598.09

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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.