Home / 4,070.81-6,101.96-1,880.98

Finding the Fourth Proportional to 4,070.81, 6,101.96 and 1,880.98

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Solution

The fourth proportional to 4,070.81, 6,101.96 and 1,880.98 is: 2,819.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.81 : 6,101.96 = 1,880.98 : x
  2. Step 2: Convert to fraction form
    4,070.81/6,101.96 = 1,880.98/x
  3. Step 3: Cross multiply
    4,070.81x = 6,101.96 × 1,880.98
  4. Step 4: Simplify right side
    4,070.81x = 11,477,640.06
  5. Step 5: Solve for x
    x = 11,477,640.06/4,070.81
  6. Step 6: Final answer
    x = 2,819.50

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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.