Home / 1,403.07-2,107.67-1,206.24

Finding the Fourth Proportional to 1,403.07, 2,107.67 and 1,206.24

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Solution

The fourth proportional to 1,403.07, 2,107.67 and 1,206.24 is: 1,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403.07 : 2,107.67 = 1,206.24 : x
  2. Step 2: Convert to fraction form
    1,403.07/2,107.67 = 1,206.24/x
  3. Step 3: Cross multiply
    1,403.07x = 2,107.67 × 1,206.24
  4. Step 4: Simplify right side
    1,403.07x = 2,542,355.86
  5. Step 5: Solve for x
    x = 2,542,355.86/1,403.07
  6. Step 6: Final answer
    x = 1,812.00

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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.