Home / 2,984.49-4,118.99-1,806.30

Finding the Fourth Proportional to 2,984.49, 4,118.99 and 1,806.30

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Solution

The fourth proportional to 2,984.49, 4,118.99 and 1,806.30 is: 2,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.49 : 4,118.99 = 1,806.30 : x
  2. Step 2: Convert to fraction form
    2,984.49/4,118.99 = 1,806.30/x
  3. Step 3: Cross multiply
    2,984.49x = 4,118.99 × 1,806.30
  4. Step 4: Simplify right side
    2,984.49x = 7,440,122.61
  5. Step 5: Solve for x
    x = 7,440,122.61/2,984.49
  6. Step 6: Final answer
    x = 2,492.93

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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.