Home / 1,558.49-2,336.93-1,380.85

Finding the Fourth Proportional to 1,558.49, 2,336.93 and 1,380.85

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Solution

The fourth proportional to 1,558.49, 2,336.93 and 1,380.85 is: 2,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.49 : 2,336.93 = 1,380.85 : x
  2. Step 2: Convert to fraction form
    1,558.49/2,336.93 = 1,380.85/x
  3. Step 3: Cross multiply
    1,558.49x = 2,336.93 × 1,380.85
  4. Step 4: Simplify right side
    1,558.49x = 3,226,938.34
  5. Step 5: Solve for x
    x = 3,226,938.34/1,558.49
  6. Step 6: Final answer
    x = 2,070.55

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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.