Home / 4,047.10-6,070.65-2,078.80

Finding the Fourth Proportional to 4,047.10, 6,070.65 and 2,078.80

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Solution

The fourth proportional to 4,047.10, 6,070.65 and 2,078.80 is: 3,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.10 : 6,070.65 = 2,078.80 : x
  2. Step 2: Convert to fraction form
    4,047.10/6,070.65 = 2,078.80/x
  3. Step 3: Cross multiply
    4,047.10x = 6,070.65 × 2,078.80
  4. Step 4: Simplify right side
    4,047.10x = 12,619,667.22
  5. Step 5: Solve for x
    x = 12,619,667.22/4,047.10
  6. Step 6: Final answer
    x = 3,118.20

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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.