Home / 2,714.29-4,068.70-1,070.20

Finding the Fourth Proportional to 2,714.29, 4,068.70 and 1,070.20

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Solution

The fourth proportional to 2,714.29, 4,068.70 and 1,070.20 is: 1,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.29 : 4,068.70 = 1,070.20 : x
  2. Step 2: Convert to fraction form
    2,714.29/4,068.70 = 1,070.20/x
  3. Step 3: Cross multiply
    2,714.29x = 4,068.70 × 1,070.20
  4. Step 4: Simplify right side
    2,714.29x = 4,354,322.74
  5. Step 5: Solve for x
    x = 4,354,322.74/2,714.29
  6. Step 6: Final answer
    x = 1,604.22

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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.