Home / 3,501.70-4,831.98-2,009.50

Finding the Fourth Proportional to 3,501.70, 4,831.98 and 2,009.50

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Solution

The fourth proportional to 3,501.70, 4,831.98 and 2,009.50 is: 2,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.70 : 4,831.98 = 2,009.50 : x
  2. Step 2: Convert to fraction form
    3,501.70/4,831.98 = 2,009.50/x
  3. Step 3: Cross multiply
    3,501.70x = 4,831.98 × 2,009.50
  4. Step 4: Simplify right side
    3,501.70x = 9,709,863.81
  5. Step 5: Solve for x
    x = 9,709,863.81/3,501.70
  6. Step 6: Final answer
    x = 2,772.90

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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.