Home / 4,288.68-5,918.67-2,400.45

Finding the Fourth Proportional to 4,288.68, 5,918.67 and 2,400.45

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Solution

The fourth proportional to 4,288.68, 5,918.67 and 2,400.45 is: 3,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.68 : 5,918.67 = 2,400.45 : x
  2. Step 2: Convert to fraction form
    4,288.68/5,918.67 = 2,400.45/x
  3. Step 3: Cross multiply
    4,288.68x = 5,918.67 × 2,400.45
  4. Step 4: Simplify right side
    4,288.68x = 14,207,471.40
  5. Step 5: Solve for x
    x = 14,207,471.40/4,288.68
  6. Step 6: Final answer
    x = 3,312.78

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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.