Home / 1,453.49-2,166.54-1,336.85

Finding the Fourth Proportional to 1,453.49, 2,166.54 and 1,336.85

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Solution

The fourth proportional to 1,453.49, 2,166.54 and 1,336.85 is: 1,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.49 : 2,166.54 = 1,336.85 : x
  2. Step 2: Convert to fraction form
    1,453.49/2,166.54 = 1,336.85/x
  3. Step 3: Cross multiply
    1,453.49x = 2,166.54 × 1,336.85
  4. Step 4: Simplify right side
    1,453.49x = 2,896,342.34
  5. Step 5: Solve for x
    x = 2,896,342.34/1,453.49
  6. Step 6: Final answer
    x = 1,992.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.