Home / 3,132.76-4,700.37-1,284.76

Finding the Fourth Proportional to 3,132.76, 4,700.37 and 1,284.76

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Solution

The fourth proportional to 3,132.76, 4,700.37 and 1,284.76 is: 1,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.76 : 4,700.37 = 1,284.76 : x
  2. Step 2: Convert to fraction form
    3,132.76/4,700.37 = 1,284.76/x
  3. Step 3: Cross multiply
    3,132.76x = 4,700.37 × 1,284.76
  4. Step 4: Simplify right side
    3,132.76x = 6,038,847.36
  5. Step 5: Solve for x
    x = 6,038,847.36/3,132.76
  6. Step 6: Final answer
    x = 1,927.64

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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.