Home / 3,480.54-4,798.14-2,153.58

Finding the Fourth Proportional to 3,480.54, 4,798.14 and 2,153.58

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Solution

The fourth proportional to 3,480.54, 4,798.14 and 2,153.58 is: 2,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.54 : 4,798.14 = 2,153.58 : x
  2. Step 2: Convert to fraction form
    3,480.54/4,798.14 = 2,153.58/x
  3. Step 3: Cross multiply
    3,480.54x = 4,798.14 × 2,153.58
  4. Step 4: Simplify right side
    3,480.54x = 10,333,178.34
  5. Step 5: Solve for x
    x = 10,333,178.34/3,480.54
  6. Step 6: Final answer
    x = 2,968.84

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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.