Home / 3,010.80-4,154.28-1,768.80

Finding the Fourth Proportional to 3,010.80, 4,154.28 and 1,768.80

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Solution

The fourth proportional to 3,010.80, 4,154.28 and 1,768.80 is: 2,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.80 : 4,154.28 = 1,768.80 : x
  2. Step 2: Convert to fraction form
    3,010.80/4,154.28 = 1,768.80/x
  3. Step 3: Cross multiply
    3,010.80x = 4,154.28 × 1,768.80
  4. Step 4: Simplify right side
    3,010.80x = 7,348,090.46
  5. Step 5: Solve for x
    x = 7,348,090.46/3,010.80
  6. Step 6: Final answer
    x = 2,440.58

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1.5x scale

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.