Home / 2,368.80-3,270.68-1,529.98

Finding the Fourth Proportional to 2,368.80, 3,270.68 and 1,529.98

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Solution

The fourth proportional to 2,368.80, 3,270.68 and 1,529.98 is: 2,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.80 : 3,270.68 = 1,529.98 : x
  2. Step 2: Convert to fraction form
    2,368.80/3,270.68 = 1,529.98/x
  3. Step 3: Cross multiply
    2,368.80x = 3,270.68 × 1,529.98
  4. Step 4: Simplify right side
    2,368.80x = 5,004,074.99
  5. Step 5: Solve for x
    x = 5,004,074.99/2,368.80
  6. Step 6: Final answer
    x = 2,112.49

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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.