Home / 3,756.90-5,184.50-2,078.28

Finding the Fourth Proportional to 3,756.90, 5,184.50 and 2,078.28

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Solution

The fourth proportional to 3,756.90, 5,184.50 and 2,078.28 is: 2,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.90 : 5,184.50 = 2,078.28 : x
  2. Step 2: Convert to fraction form
    3,756.90/5,184.50 = 2,078.28/x
  3. Step 3: Cross multiply
    3,756.90x = 5,184.50 × 2,078.28
  4. Step 4: Simplify right side
    3,756.90x = 10,774,842.66
  5. Step 5: Solve for x
    x = 10,774,842.66/3,756.90
  6. Step 6: Final answer
    x = 2,868.01

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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.