Home / 2,378.61-3,284.01-1,632.33

Finding the Fourth Proportional to 2,378.61, 3,284.01 and 1,632.33

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Solution

The fourth proportional to 2,378.61, 3,284.01 and 1,632.33 is: 2,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.61 : 3,284.01 = 1,632.33 : x
  2. Step 2: Convert to fraction form
    2,378.61/3,284.01 = 1,632.33/x
  3. Step 3: Cross multiply
    2,378.61x = 3,284.01 × 1,632.33
  4. Step 4: Simplify right side
    2,378.61x = 5,360,588.04
  5. Step 5: Solve for x
    x = 5,360,588.04/2,378.61
  6. Step 6: Final answer
    x = 2,253.66

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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.