Home / 1,634.22-2,256.12-1,075.50

Finding the Fourth Proportional to 1,634.22, 2,256.12 and 1,075.50

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Solution

The fourth proportional to 1,634.22, 2,256.12 and 1,075.50 is: 1,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.22 : 2,256.12 = 1,075.50 : x
  2. Step 2: Convert to fraction form
    1,634.22/2,256.12 = 1,075.50/x
  3. Step 3: Cross multiply
    1,634.22x = 2,256.12 × 1,075.50
  4. Step 4: Simplify right side
    1,634.22x = 2,426,457.06
  5. Step 5: Solve for x
    x = 2,426,457.06/1,634.22
  6. Step 6: Final answer
    x = 1,484.78

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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.