Home / 1,624.32-2,242.35-1,226.14

Finding the Fourth Proportional to 1,624.32, 2,242.35 and 1,226.14

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Solution

The fourth proportional to 1,624.32, 2,242.35 and 1,226.14 is: 1,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.32 : 2,242.35 = 1,226.14 : x
  2. Step 2: Convert to fraction form
    1,624.32/2,242.35 = 1,226.14/x
  3. Step 3: Cross multiply
    1,624.32x = 2,242.35 × 1,226.14
  4. Step 4: Simplify right side
    1,624.32x = 2,749,429.42
  5. Step 5: Solve for x
    x = 2,749,429.42/1,624.32
  6. Step 6: Final answer
    x = 1,692.66

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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.