Home / 3,313.61-4,970.19-2,390.84

Finding the Fourth Proportional to 3,313.61, 4,970.19 and 2,390.84

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Solution

The fourth proportional to 3,313.61, 4,970.19 and 2,390.84 is: 3,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.61 : 4,970.19 = 2,390.84 : x
  2. Step 2: Convert to fraction form
    3,313.61/4,970.19 = 2,390.84/x
  3. Step 3: Cross multiply
    3,313.61x = 4,970.19 × 2,390.84
  4. Step 4: Simplify right side
    3,313.61x = 11,882,929.06
  5. Step 5: Solve for x
    x = 11,882,929.06/3,313.61
  6. Step 6: Final answer
    x = 3,586.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.