Home / 1,714.30-2,566.05-1,228.30

Finding the Fourth Proportional to 1,714.30, 2,566.05 and 1,228.30

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Solution

The fourth proportional to 1,714.30, 2,566.05 and 1,228.30 is: 1,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.30 : 2,566.05 = 1,228.30 : x
  2. Step 2: Convert to fraction form
    1,714.30/2,566.05 = 1,228.30/x
  3. Step 3: Cross multiply
    1,714.30x = 2,566.05 × 1,228.30
  4. Step 4: Simplify right side
    1,714.30x = 3,151,879.22
  5. Step 5: Solve for x
    x = 3,151,879.22/1,714.30
  6. Step 6: Final answer
    x = 1,838.58

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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.