Home / 2,945.04-4,415.16-1,628.74

Finding the Fourth Proportional to 2,945.04, 4,415.16 and 1,628.74

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Solution

The fourth proportional to 2,945.04, 4,415.16 and 1,628.74 is: 2,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.04 : 4,415.16 = 1,628.74 : x
  2. Step 2: Convert to fraction form
    2,945.04/4,415.16 = 1,628.74/x
  3. Step 3: Cross multiply
    2,945.04x = 4,415.16 × 1,628.74
  4. Step 4: Simplify right side
    2,945.04x = 7,191,159.33
  5. Step 5: Solve for x
    x = 7,191,159.33/2,945.04
  6. Step 6: Final answer
    x = 2,441.79

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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.