Home / 2,070.70-3,106.05-1,840.30

Finding the Fourth Proportional to 2,070.70, 3,106.05 and 1,840.30

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Solution

The fourth proportional to 2,070.70, 3,106.05 and 1,840.30 is: 2,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.70 : 3,106.05 = 1,840.30 : x
  2. Step 2: Convert to fraction form
    2,070.70/3,106.05 = 1,840.30/x
  3. Step 3: Cross multiply
    2,070.70x = 3,106.05 × 1,840.30
  4. Step 4: Simplify right side
    2,070.70x = 5,716,063.82
  5. Step 5: Solve for x
    x = 5,716,063.82/2,070.70
  6. Step 6: Final answer
    x = 2,760.45

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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.