Home / 1,692.32-2,527.34-1,442.86

Finding the Fourth Proportional to 1,692.32, 2,527.34 and 1,442.86

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Solution

The fourth proportional to 1,692.32, 2,527.34 and 1,442.86 is: 2,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.32 : 2,527.34 = 1,442.86 : x
  2. Step 2: Convert to fraction form
    1,692.32/2,527.34 = 1,442.86/x
  3. Step 3: Cross multiply
    1,692.32x = 2,527.34 × 1,442.86
  4. Step 4: Simplify right side
    1,692.32x = 3,646,597.79
  5. Step 5: Solve for x
    x = 3,646,597.79/1,692.32
  6. Step 6: Final answer
    x = 2,154.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.