Home / 2,946.05-4,065.47-1,619.76

Finding the Fourth Proportional to 2,946.05, 4,065.47 and 1,619.76

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Solution

The fourth proportional to 2,946.05, 4,065.47 and 1,619.76 is: 2,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.05 : 4,065.47 = 1,619.76 : x
  2. Step 2: Convert to fraction form
    2,946.05/4,065.47 = 1,619.76/x
  3. Step 3: Cross multiply
    2,946.05x = 4,065.47 × 1,619.76
  4. Step 4: Simplify right side
    2,946.05x = 6,585,085.69
  5. Step 5: Solve for x
    x = 6,585,085.69/2,946.05
  6. Step 6: Final answer
    x = 2,235.23

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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.