Home / 2,033.40-3,050.56-646.79

Finding the Fourth Proportional to 2,033.40, 3,050.56 and 646.79

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Solution

The fourth proportional to 2,033.40, 3,050.56 and 646.79 is: 970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.40 : 3,050.56 = 646.79 : x
  2. Step 2: Convert to fraction form
    2,033.40/3,050.56 = 646.79/x
  3. Step 3: Cross multiply
    2,033.40x = 3,050.56 × 646.79
  4. Step 4: Simplify right side
    2,033.40x = 1,973,057.26
  5. Step 5: Solve for x
    x = 1,973,057.26/2,033.40
  6. Step 6: Final answer
    x = 970.32

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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.