Home / 1,635.55-2,255.91-1,075.84

Finding the Fourth Proportional to 1,635.55, 2,255.91 and 1,075.84

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Solution

The fourth proportional to 1,635.55, 2,255.91 and 1,075.84 is: 1,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.55 : 2,255.91 = 1,075.84 : x
  2. Step 2: Convert to fraction form
    1,635.55/2,255.91 = 1,075.84/x
  3. Step 3: Cross multiply
    1,635.55x = 2,255.91 × 1,075.84
  4. Step 4: Simplify right side
    1,635.55x = 2,426,998.21
  5. Step 5: Solve for x
    x = 2,426,998.21/1,635.55
  6. Step 6: Final answer
    x = 1,483.90

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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.