Home / 3,903.37-5,387.03-2,225.45

Finding the Fourth Proportional to 3,903.37, 5,387.03 and 2,225.45

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Solution

The fourth proportional to 3,903.37, 5,387.03 and 2,225.45 is: 3,071.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.37 : 5,387.03 = 2,225.45 : x
  2. Step 2: Convert to fraction form
    3,903.37/5,387.03 = 2,225.45/x
  3. Step 3: Cross multiply
    3,903.37x = 5,387.03 × 2,225.45
  4. Step 4: Simplify right side
    3,903.37x = 11,988,565.91
  5. Step 5: Solve for x
    x = 11,988,565.91/3,903.37
  6. Step 6: Final answer
    x = 3,071.34

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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.