Home / 2,840.84-4,263.03-1,085.99

Finding the Fourth Proportional to 2,840.84, 4,263.03 and 1,085.99

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Solution

The fourth proportional to 2,840.84, 4,263.03 and 1,085.99 is: 1,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.84 : 4,263.03 = 1,085.99 : x
  2. Step 2: Convert to fraction form
    2,840.84/4,263.03 = 1,085.99/x
  3. Step 3: Cross multiply
    2,840.84x = 4,263.03 × 1,085.99
  4. Step 4: Simplify right side
    2,840.84x = 4,629,602.62
  5. Step 5: Solve for x
    x = 4,629,602.62/2,840.84
  6. Step 6: Final answer
    x = 1,629.66

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1.5x scale

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.