Home / 3,126.50-4,314.65-1,884.58

Finding the Fourth Proportional to 3,126.50, 4,314.65 and 1,884.58

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Solution

The fourth proportional to 3,126.50, 4,314.65 and 1,884.58 is: 2,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.50 : 4,314.65 = 1,884.58 : x
  2. Step 2: Convert to fraction form
    3,126.50/4,314.65 = 1,884.58/x
  3. Step 3: Cross multiply
    3,126.50x = 4,314.65 × 1,884.58
  4. Step 4: Simplify right side
    3,126.50x = 8,131,303.10
  5. Step 5: Solve for x
    x = 8,131,303.10/3,126.50
  6. Step 6: Final answer
    x = 2,600.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.