Home / 3,075.48-4,246.20-1,898.28

Finding the Fourth Proportional to 3,075.48, 4,246.20 and 1,898.28

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Solution

The fourth proportional to 3,075.48, 4,246.20 and 1,898.28 is: 2,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.48 : 4,246.20 = 1,898.28 : x
  2. Step 2: Convert to fraction form
    3,075.48/4,246.20 = 1,898.28/x
  3. Step 3: Cross multiply
    3,075.48x = 4,246.20 × 1,898.28
  4. Step 4: Simplify right side
    3,075.48x = 8,060,476.54
  5. Step 5: Solve for x
    x = 8,060,476.54/3,075.48
  6. Step 6: Final answer
    x = 2,620.88

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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.