Home / 2,401.93-3,313.48-1,605.45

Finding the Fourth Proportional to 2,401.93, 3,313.48 and 1,605.45

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Solution

The fourth proportional to 2,401.93, 3,313.48 and 1,605.45 is: 2,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.93 : 3,313.48 = 1,605.45 : x
  2. Step 2: Convert to fraction form
    2,401.93/3,313.48 = 1,605.45/x
  3. Step 3: Cross multiply
    2,401.93x = 3,313.48 × 1,605.45
  4. Step 4: Simplify right side
    2,401.93x = 5,319,626.47
  5. Step 5: Solve for x
    x = 5,319,626.47/2,401.93
  6. Step 6: Final answer
    x = 2,214.73

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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.