Home / 2,984.55-4,119.06-1,805.62

Finding the Fourth Proportional to 2,984.55, 4,119.06 and 1,805.62

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Solution

The fourth proportional to 2,984.55, 4,119.06 and 1,805.62 is: 2,491.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.55 : 4,119.06 = 1,805.62 : x
  2. Step 2: Convert to fraction form
    2,984.55/4,119.06 = 1,805.62/x
  3. Step 3: Cross multiply
    2,984.55x = 4,119.06 × 1,805.62
  4. Step 4: Simplify right side
    2,984.55x = 7,437,457.12
  5. Step 5: Solve for x
    x = 7,437,457.12/2,984.55
  6. Step 6: Final answer
    x = 2,491.99

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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.