Home / 3,357.23-4,632.78-1,865.07

Finding the Fourth Proportional to 3,357.23, 4,632.78 and 1,865.07

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Solution

The fourth proportional to 3,357.23, 4,632.78 and 1,865.07 is: 2,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.23 : 4,632.78 = 1,865.07 : x
  2. Step 2: Convert to fraction form
    3,357.23/4,632.78 = 1,865.07/x
  3. Step 3: Cross multiply
    3,357.23x = 4,632.78 × 1,865.07
  4. Step 4: Simplify right side
    3,357.23x = 8,640,426.51
  5. Step 5: Solve for x
    x = 8,640,426.51/3,357.23
  6. Step 6: Final answer
    x = 2,573.68

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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.