Home / 2,922.35-4,030.36-2,630.75

Finding the Fourth Proportional to 2,922.35, 4,030.36 and 2,630.75

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Solution

The fourth proportional to 2,922.35, 4,030.36 and 2,630.75 is: 3,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.35 : 4,030.36 = 2,630.75 : x
  2. Step 2: Convert to fraction form
    2,922.35/4,030.36 = 2,630.75/x
  3. Step 3: Cross multiply
    2,922.35x = 4,030.36 × 2,630.75
  4. Step 4: Simplify right side
    2,922.35x = 10,602,842.84
  5. Step 5: Solve for x
    x = 10,602,842.84/2,922.35
  6. Step 6: Final answer
    x = 3,628.20

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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.