Home / 3,095.50-4,271.79-1,698.28

Finding the Fourth Proportional to 3,095.50, 4,271.79 and 1,698.28

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Solution

The fourth proportional to 3,095.50, 4,271.79 and 1,698.28 is: 2,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.50 : 4,271.79 = 1,698.28 : x
  2. Step 2: Convert to fraction form
    3,095.50/4,271.79 = 1,698.28/x
  3. Step 3: Cross multiply
    3,095.50x = 4,271.79 × 1,698.28
  4. Step 4: Simplify right side
    3,095.50x = 7,254,695.52
  5. Step 5: Solve for x
    x = 7,254,695.52/3,095.50
  6. Step 6: Final answer
    x = 2,343.63

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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.