Home / 1,558.39-2,330.75-1,356.09

Finding the Fourth Proportional to 1,558.39, 2,330.75 and 1,356.09

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Solution

The fourth proportional to 1,558.39, 2,330.75 and 1,356.09 is: 2,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.39 : 2,330.75 = 1,356.09 : x
  2. Step 2: Convert to fraction form
    1,558.39/2,330.75 = 1,356.09/x
  3. Step 3: Cross multiply
    1,558.39x = 2,330.75 × 1,356.09
  4. Step 4: Simplify right side
    1,558.39x = 3,160,710.71
  5. Step 5: Solve for x
    x = 3,160,710.71/1,558.39
  6. Step 6: Final answer
    x = 2,028.19

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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.