Home / 2,288.09-3,430.93-1,054.45

Finding the Fourth Proportional to 2,288.09, 3,430.93 and 1,054.45

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Solution

The fourth proportional to 2,288.09, 3,430.93 and 1,054.45 is: 1,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.09 : 3,430.93 = 1,054.45 : x
  2. Step 2: Convert to fraction form
    2,288.09/3,430.93 = 1,054.45/x
  3. Step 3: Cross multiply
    2,288.09x = 3,430.93 × 1,054.45
  4. Step 4: Simplify right side
    2,288.09x = 3,617,738.87
  5. Step 5: Solve for x
    x = 3,617,738.87/2,288.09
  6. Step 6: Final answer
    x = 1,581.12

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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.