Home / 2,415.03-3,330.55-1,529.29

Finding the Fourth Proportional to 2,415.03, 3,330.55 and 1,529.29

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Solution

The fourth proportional to 2,415.03, 3,330.55 and 1,529.29 is: 2,109.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.03 : 3,330.55 = 1,529.29 : x
  2. Step 2: Convert to fraction form
    2,415.03/3,330.55 = 1,529.29/x
  3. Step 3: Cross multiply
    2,415.03x = 3,330.55 × 1,529.29
  4. Step 4: Simplify right side
    2,415.03x = 5,093,376.81
  5. Step 5: Solve for x
    x = 5,093,376.81/2,415.03
  6. Step 6: Final answer
    x = 2,109.03

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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.