Home / 3,301-4,555.40-1,904.20

Finding the Fourth Proportional to 3,301, 4,555.40 and 1,904.20

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Solution

The fourth proportional to 3,301, 4,555.40 and 1,904.20 is: 2,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301 : 4,555.40 = 1,904.20 : x
  2. Step 2: Convert to fraction form
    3,301/4,555.40 = 1,904.20/x
  3. Step 3: Cross multiply
    3,301x = 4,555.40 × 1,904.20
  4. Step 4: Simplify right side
    3,301x = 8,674,392.68
  5. Step 5: Solve for x
    x = 8,674,392.68/3,301
  6. Step 6: Final answer
    x = 2,627.81

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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.