Home / 2,070.05-3,106.14-1,145.44

Finding the Fourth Proportional to 2,070.05, 3,106.14 and 1,145.44

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Solution

The fourth proportional to 2,070.05, 3,106.14 and 1,145.44 is: 1,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.05 : 3,106.14 = 1,145.44 : x
  2. Step 2: Convert to fraction form
    2,070.05/3,106.14 = 1,145.44/x
  3. Step 3: Cross multiply
    2,070.05x = 3,106.14 × 1,145.44
  4. Step 4: Simplify right side
    2,070.05x = 3,557,875.74
  5. Step 5: Solve for x
    x = 3,557,875.74/2,070.05
  6. Step 6: Final answer
    x = 1,718.74

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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.