Home / 3,810.70-5,714.60-1,345.06

Finding the Fourth Proportional to 3,810.70, 5,714.60 and 1,345.06

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Solution

The fourth proportional to 3,810.70, 5,714.60 and 1,345.06 is: 2,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.70 : 5,714.60 = 1,345.06 : x
  2. Step 2: Convert to fraction form
    3,810.70/5,714.60 = 1,345.06/x
  3. Step 3: Cross multiply
    3,810.70x = 5,714.60 × 1,345.06
  4. Step 4: Simplify right side
    3,810.70x = 7,686,479.88
  5. Step 5: Solve for x
    x = 7,686,479.88/3,810.70
  6. Step 6: Final answer
    x = 2,017.08

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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.