Home / 1,845.48-2,768.33-612.99

Finding the Fourth Proportional to 1,845.48, 2,768.33 and 612.99

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Solution

The fourth proportional to 1,845.48, 2,768.33 and 612.99 is: 919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.48 : 2,768.33 = 612.99 : x
  2. Step 2: Convert to fraction form
    1,845.48/2,768.33 = 612.99/x
  3. Step 3: Cross multiply
    1,845.48x = 2,768.33 × 612.99
  4. Step 4: Simplify right side
    1,845.48x = 1,696,962.46
  5. Step 5: Solve for x
    x = 1,696,962.46/1,845.48
  6. Step 6: Final answer
    x = 919.53

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1.5x scale

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.