Home / 3,075.23-4,243.59-1,816.22

Finding the Fourth Proportional to 3,075.23, 4,243.59 and 1,816.22

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Solution

The fourth proportional to 3,075.23, 4,243.59 and 1,816.22 is: 2,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.23 : 4,243.59 = 1,816.22 : x
  2. Step 2: Convert to fraction form
    3,075.23/4,243.59 = 1,816.22/x
  3. Step 3: Cross multiply
    3,075.23x = 4,243.59 × 1,816.22
  4. Step 4: Simplify right side
    3,075.23x = 7,707,271.81
  5. Step 5: Solve for x
    x = 7,707,271.81/3,075.23
  6. Step 6: Final answer
    x = 2,506.25

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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.