Home / 1,467.19-2,199.27-918.12

Finding the Fourth Proportional to 1,467.19, 2,199.27 and 918.12

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Solution

The fourth proportional to 1,467.19, 2,199.27 and 918.12 is: 1,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.19 : 2,199.27 = 918.12 : x
  2. Step 2: Convert to fraction form
    1,467.19/2,199.27 = 918.12/x
  3. Step 3: Cross multiply
    1,467.19x = 2,199.27 × 918.12
  4. Step 4: Simplify right side
    1,467.19x = 2,019,193.77
  5. Step 5: Solve for x
    x = 2,019,193.77/1,467.19
  6. Step 6: Final answer
    x = 1,376.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.