Home / 2,554.20-3,525.12-1,435.20

Finding the Fourth Proportional to 2,554.20, 3,525.12 and 1,435.20

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Solution

The fourth proportional to 2,554.20, 3,525.12 and 1,435.20 is: 1,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.20 : 3,525.12 = 1,435.20 : x
  2. Step 2: Convert to fraction form
    2,554.20/3,525.12 = 1,435.20/x
  3. Step 3: Cross multiply
    2,554.20x = 3,525.12 × 1,435.20
  4. Step 4: Simplify right side
    2,554.20x = 5,059,252.22
  5. Step 5: Solve for x
    x = 5,059,252.22/2,554.20
  6. Step 6: Final answer
    x = 1,980.76

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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.