Home / 1,525.58-2,114.94-1,442.43

Finding the Fourth Proportional to 1,525.58, 2,114.94 and 1,442.43

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Solution

The fourth proportional to 1,525.58, 2,114.94 and 1,442.43 is: 1,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.58 : 2,114.94 = 1,442.43 : x
  2. Step 2: Convert to fraction form
    1,525.58/2,114.94 = 1,442.43/x
  3. Step 3: Cross multiply
    1,525.58x = 2,114.94 × 1,442.43
  4. Step 4: Simplify right side
    1,525.58x = 3,050,652.09
  5. Step 5: Solve for x
    x = 3,050,652.09/1,525.58
  6. Step 6: Final answer
    x = 1,999.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.