Home / 2,401.07-3,313.80-1,406.74

Finding the Fourth Proportional to 2,401.07, 3,313.80 and 1,406.74

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Solution

The fourth proportional to 2,401.07, 3,313.80 and 1,406.74 is: 1,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.07 : 3,313.80 = 1,406.74 : x
  2. Step 2: Convert to fraction form
    2,401.07/3,313.80 = 1,406.74/x
  3. Step 3: Cross multiply
    2,401.07x = 3,313.80 × 1,406.74
  4. Step 4: Simplify right side
    2,401.07x = 4,661,660.28
  5. Step 5: Solve for x
    x = 4,661,660.28/2,401.07
  6. Step 6: Final answer
    x = 1,941.49

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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.