Home / 2,903.78-4,004.46-2,239.58

Finding the Fourth Proportional to 2,903.78, 4,004.46 and 2,239.58

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Solution

The fourth proportional to 2,903.78, 4,004.46 and 2,239.58 is: 3,088.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.78 : 4,004.46 = 2,239.58 : x
  2. Step 2: Convert to fraction form
    2,903.78/4,004.46 = 2,239.58/x
  3. Step 3: Cross multiply
    2,903.78x = 4,004.46 × 2,239.58
  4. Step 4: Simplify right side
    2,903.78x = 8,968,308.53
  5. Step 5: Solve for x
    x = 8,968,308.53/2,903.78
  6. Step 6: Final answer
    x = 3,088.49

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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.