Home / 2,070.80-3,113.40-2,027.60

Finding the Fourth Proportional to 2,070.80, 3,113.40 and 2,027.60

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Solution

The fourth proportional to 2,070.80, 3,113.40 and 2,027.60 is: 3,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.80 : 3,113.40 = 2,027.60 : x
  2. Step 2: Convert to fraction form
    2,070.80/3,113.40 = 2,027.60/x
  3. Step 3: Cross multiply
    2,070.80x = 3,113.40 × 2,027.60
  4. Step 4: Simplify right side
    2,070.80x = 6,312,729.84
  5. Step 5: Solve for x
    x = 6,312,729.84/2,070.80
  6. Step 6: Final answer
    x = 3,048.45

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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.