Home / 3,501.08-4,831.14-2,156.48

Finding the Fourth Proportional to 3,501.08, 4,831.14 and 2,156.48

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Solution

The fourth proportional to 3,501.08, 4,831.14 and 2,156.48 is: 2,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.08 : 4,831.14 = 2,156.48 : x
  2. Step 2: Convert to fraction form
    3,501.08/4,831.14 = 2,156.48/x
  3. Step 3: Cross multiply
    3,501.08x = 4,831.14 × 2,156.48
  4. Step 4: Simplify right side
    3,501.08x = 10,418,256.79
  5. Step 5: Solve for x
    x = 10,418,256.79/3,501.08
  6. Step 6: Final answer
    x = 2,975.73

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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.