Home / 2,406.40-3,608.24-904.79

Finding the Fourth Proportional to 2,406.40, 3,608.24 and 904.79

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Solution

The fourth proportional to 2,406.40, 3,608.24 and 904.79 is: 1,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.40 : 3,608.24 = 904.79 : x
  2. Step 2: Convert to fraction form
    2,406.40/3,608.24 = 904.79/x
  3. Step 3: Cross multiply
    2,406.40x = 3,608.24 × 904.79
  4. Step 4: Simplify right side
    2,406.40x = 3,264,703.97
  5. Step 5: Solve for x
    x = 3,264,703.97/2,406.40
  6. Step 6: Final answer
    x = 1,356.68

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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.