Home / 3,110.64-4,292.46-1,784.12

Finding the Fourth Proportional to 3,110.64, 4,292.46 and 1,784.12

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Solution

The fourth proportional to 3,110.64, 4,292.46 and 1,784.12 is: 2,461.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.64 : 4,292.46 = 1,784.12 : x
  2. Step 2: Convert to fraction form
    3,110.64/4,292.46 = 1,784.12/x
  3. Step 3: Cross multiply
    3,110.64x = 4,292.46 × 1,784.12
  4. Step 4: Simplify right side
    3,110.64x = 7,658,263.74
  5. Step 5: Solve for x
    x = 7,658,263.74/3,110.64
  6. Step 6: Final answer
    x = 2,461.96

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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.