Home / 4,278.10-5,903.70-2,415.10

Finding the Fourth Proportional to 4,278.10, 5,903.70 and 2,415.10

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Solution

The fourth proportional to 4,278.10, 5,903.70 and 2,415.10 is: 3,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.10 : 5,903.70 = 2,415.10 : x
  2. Step 2: Convert to fraction form
    4,278.10/5,903.70 = 2,415.10/x
  3. Step 3: Cross multiply
    4,278.10x = 5,903.70 × 2,415.10
  4. Step 4: Simplify right side
    4,278.10x = 14,258,025.87
  5. Step 5: Solve for x
    x = 14,258,025.87/4,278.10
  6. Step 6: Final answer
    x = 3,332.79

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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.