Home / 3,810.98-5,260.74-2,762.84

Finding the Fourth Proportional to 3,810.98, 5,260.74 and 2,762.84

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Solution

The fourth proportional to 3,810.98, 5,260.74 and 2,762.84 is: 3,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.98 : 5,260.74 = 2,762.84 : x
  2. Step 2: Convert to fraction form
    3,810.98/5,260.74 = 2,762.84/x
  3. Step 3: Cross multiply
    3,810.98x = 5,260.74 × 2,762.84
  4. Step 4: Simplify right side
    3,810.98x = 14,534,582.90
  5. Step 5: Solve for x
    x = 14,534,582.90/3,810.98
  6. Step 6: Final answer
    x = 3,813.87

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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.