Home / 3,320.60-4,582.44-1,904.31

Finding the Fourth Proportional to 3,320.60, 4,582.44 and 1,904.31

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Solution

The fourth proportional to 3,320.60, 4,582.44 and 1,904.31 is: 2,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.60 : 4,582.44 = 1,904.31 : x
  2. Step 2: Convert to fraction form
    3,320.60/4,582.44 = 1,904.31/x
  3. Step 3: Cross multiply
    3,320.60x = 4,582.44 × 1,904.31
  4. Step 4: Simplify right side
    3,320.60x = 8,726,386.32
  5. Step 5: Solve for x
    x = 8,726,386.32/3,320.60
  6. Step 6: Final answer
    x = 2,627.96

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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.