Home / 2,920.38-4,381.32-1,533.33

Finding the Fourth Proportional to 2,920.38, 4,381.32 and 1,533.33

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Solution

The fourth proportional to 2,920.38, 4,381.32 and 1,533.33 is: 2,300.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.38 : 4,381.32 = 1,533.33 : x
  2. Step 2: Convert to fraction form
    2,920.38/4,381.32 = 1,533.33/x
  3. Step 3: Cross multiply
    2,920.38x = 4,381.32 × 1,533.33
  4. Step 4: Simplify right side
    2,920.38x = 6,718,009.40
  5. Step 5: Solve for x
    x = 6,718,009.40/2,920.38
  6. Step 6: Final answer
    x = 2,300.39

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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.