Home / 3,903.45-5,387.28-2,510.25

Finding the Fourth Proportional to 3,903.45, 5,387.28 and 2,510.25

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Solution

The fourth proportional to 3,903.45, 5,387.28 and 2,510.25 is: 3,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.45 : 5,387.28 = 2,510.25 : x
  2. Step 2: Convert to fraction form
    3,903.45/5,387.28 = 2,510.25/x
  3. Step 3: Cross multiply
    3,903.45x = 5,387.28 × 2,510.25
  4. Step 4: Simplify right side
    3,903.45x = 13,523,380.13
  5. Step 5: Solve for x
    x = 13,523,380.13/3,903.45
  6. Step 6: Final answer
    x = 3,464.47

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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.