Home / 3,923.07-5,411.99-2,430.45

Finding the Fourth Proportional to 3,923.07, 5,411.99 and 2,430.45

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Solution

The fourth proportional to 3,923.07, 5,411.99 and 2,430.45 is: 3,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.07 : 5,411.99 = 2,430.45 : x
  2. Step 2: Convert to fraction form
    3,923.07/5,411.99 = 2,430.45/x
  3. Step 3: Cross multiply
    3,923.07x = 5,411.99 × 2,430.45
  4. Step 4: Simplify right side
    3,923.07x = 13,153,558.94
  5. Step 5: Solve for x
    x = 13,153,558.94/3,923.07
  6. Step 6: Final answer
    x = 3,352.87

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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.