Home / 2,519.34-3,476.73-1,400.40

Finding the Fourth Proportional to 2,519.34, 3,476.73 and 1,400.40

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Solution

The fourth proportional to 2,519.34, 3,476.73 and 1,400.40 is: 1,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.34 : 3,476.73 = 1,400.40 : x
  2. Step 2: Convert to fraction form
    2,519.34/3,476.73 = 1,400.40/x
  3. Step 3: Cross multiply
    2,519.34x = 3,476.73 × 1,400.40
  4. Step 4: Simplify right side
    2,519.34x = 4,868,812.69
  5. Step 5: Solve for x
    x = 4,868,812.69/2,519.34
  6. Step 6: Final answer
    x = 1,932.57

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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.