Home / 2,946.61-4,065.63-1,768.06

Finding the Fourth Proportional to 2,946.61, 4,065.63 and 1,768.06

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Solution

The fourth proportional to 2,946.61, 4,065.63 and 1,768.06 is: 2,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.61 : 4,065.63 = 1,768.06 : x
  2. Step 2: Convert to fraction form
    2,946.61/4,065.63 = 1,768.06/x
  3. Step 3: Cross multiply
    2,946.61x = 4,065.63 × 1,768.06
  4. Step 4: Simplify right side
    2,946.61x = 7,188,277.78
  5. Step 5: Solve for x
    x = 7,188,277.78/2,946.61
  6. Step 6: Final answer
    x = 2,439.51

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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.