Home / 4,102.85-6,148.71-1,880.42

Finding the Fourth Proportional to 4,102.85, 6,148.71 and 1,880.42

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Solution

The fourth proportional to 4,102.85, 6,148.71 and 1,880.42 is: 2,818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.85 : 6,148.71 = 1,880.42 : x
  2. Step 2: Convert to fraction form
    4,102.85/6,148.71 = 1,880.42/x
  3. Step 3: Cross multiply
    4,102.85x = 6,148.71 × 1,880.42
  4. Step 4: Simplify right side
    4,102.85x = 11,562,126.51
  5. Step 5: Solve for x
    x = 11,562,126.51/4,102.85
  6. Step 6: Final answer
    x = 2,818.07

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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.