Home / 1,966.12-2,714.37-1,303.88

Finding the Fourth Proportional to 1,966.12, 2,714.37 and 1,303.88

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Solution

The fourth proportional to 1,966.12, 2,714.37 and 1,303.88 is: 1,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.12 : 2,714.37 = 1,303.88 : x
  2. Step 2: Convert to fraction form
    1,966.12/2,714.37 = 1,303.88/x
  3. Step 3: Cross multiply
    1,966.12x = 2,714.37 × 1,303.88
  4. Step 4: Simplify right side
    1,966.12x = 3,539,199.18
  5. Step 5: Solve for x
    x = 3,539,199.18/1,966.12
  6. Step 6: Final answer
    x = 1,800.10

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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.