Home / 2,332.80-3,219.75-1,338.93

Finding the Fourth Proportional to 2,332.80, 3,219.75 and 1,338.93

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Solution

The fourth proportional to 2,332.80, 3,219.75 and 1,338.93 is: 1,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.80 : 3,219.75 = 1,338.93 : x
  2. Step 2: Convert to fraction form
    2,332.80/3,219.75 = 1,338.93/x
  3. Step 3: Cross multiply
    2,332.80x = 3,219.75 × 1,338.93
  4. Step 4: Simplify right side
    2,332.80x = 4,311,019.87
  5. Step 5: Solve for x
    x = 4,311,019.87/2,332.80
  6. Step 6: Final answer
    x = 1,848.00

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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.