Home / 1,412.32-2,114.16-1,046.20

Finding the Fourth Proportional to 1,412.32, 2,114.16 and 1,046.20

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Solution

The fourth proportional to 1,412.32, 2,114.16 and 1,046.20 is: 1,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.32 : 2,114.16 = 1,046.20 : x
  2. Step 2: Convert to fraction form
    1,412.32/2,114.16 = 1,046.20/x
  3. Step 3: Cross multiply
    1,412.32x = 2,114.16 × 1,046.20
  4. Step 4: Simplify right side
    1,412.32x = 2,211,834.19
  5. Step 5: Solve for x
    x = 2,211,834.19/1,412.32
  6. Step 6: Final answer
    x = 1,566.10

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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.