Home / 2,938.79-4,406.77-1,706.51

Finding the Fourth Proportional to 2,938.79, 4,406.77 and 1,706.51

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Solution

The fourth proportional to 2,938.79, 4,406.77 and 1,706.51 is: 2,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.79 : 4,406.77 = 1,706.51 : x
  2. Step 2: Convert to fraction form
    2,938.79/4,406.77 = 1,706.51/x
  3. Step 3: Cross multiply
    2,938.79x = 4,406.77 × 1,706.51
  4. Step 4: Simplify right side
    2,938.79x = 7,520,210.22
  5. Step 5: Solve for x
    x = 7,520,210.22/2,938.79
  6. Step 6: Final answer
    x = 2,558.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.