Home / 3,075.52-4,240.85-2,079.07

Finding the Fourth Proportional to 3,075.52, 4,240.85 and 2,079.07

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Solution

The fourth proportional to 3,075.52, 4,240.85 and 2,079.07 is: 2,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.52 : 4,240.85 = 2,079.07 : x
  2. Step 2: Convert to fraction form
    3,075.52/4,240.85 = 2,079.07/x
  3. Step 3: Cross multiply
    3,075.52x = 4,240.85 × 2,079.07
  4. Step 4: Simplify right side
    3,075.52x = 8,817,024.01
  5. Step 5: Solve for x
    x = 8,817,024.01/3,075.52
  6. Step 6: Final answer
    x = 2,866.84

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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.