Home / 1,244.30-1,714.08-1,066.68

Finding the Fourth Proportional to 1,244.30, 1,714.08 and 1,066.68

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Solution

The fourth proportional to 1,244.30, 1,714.08 and 1,066.68 is: 1,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.30 : 1,714.08 = 1,066.68 : x
  2. Step 2: Convert to fraction form
    1,244.30/1,714.08 = 1,066.68/x
  3. Step 3: Cross multiply
    1,244.30x = 1,714.08 × 1,066.68
  4. Step 4: Simplify right side
    1,244.30x = 1,828,374.85
  5. Step 5: Solve for x
    x = 1,828,374.85/1,244.30
  6. Step 6: Final answer
    x = 1,469.40

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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.