Home / 2,968.61-4,430.98-2,618.41

Finding the Fourth Proportional to 2,968.61, 4,430.98 and 2,618.41

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Solution

The fourth proportional to 2,968.61, 4,430.98 and 2,618.41 is: 3,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.61 : 4,430.98 = 2,618.41 : x
  2. Step 2: Convert to fraction form
    2,968.61/4,430.98 = 2,618.41/x
  3. Step 3: Cross multiply
    2,968.61x = 4,430.98 × 2,618.41
  4. Step 4: Simplify right side
    2,968.61x = 11,602,121.08
  5. Step 5: Solve for x
    x = 11,602,121.08/2,968.61
  6. Step 6: Final answer
    x = 3,908.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.