Home / 2,075.52-3,136.80-2,039.68

Finding the Fourth Proportional to 2,075.52, 3,136.80 and 2,039.68

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Solution

The fourth proportional to 2,075.52, 3,136.80 and 2,039.68 is: 3,082.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.52 : 3,136.80 = 2,039.68 : x
  2. Step 2: Convert to fraction form
    2,075.52/3,136.80 = 2,039.68/x
  3. Step 3: Cross multiply
    2,075.52x = 3,136.80 × 2,039.68
  4. Step 4: Simplify right side
    2,075.52x = 6,398,068.22
  5. Step 5: Solve for x
    x = 6,398,068.22/2,075.52
  6. Step 6: Final answer
    x = 3,082.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.