Home / 3,555.51-5,331.47-2,075.24

Finding the Fourth Proportional to 3,555.51, 5,331.47 and 2,075.24

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Solution

The fourth proportional to 3,555.51, 5,331.47 and 2,075.24 is: 3,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.51 : 5,331.47 = 2,075.24 : x
  2. Step 2: Convert to fraction form
    3,555.51/5,331.47 = 2,075.24/x
  3. Step 3: Cross multiply
    3,555.51x = 5,331.47 × 2,075.24
  4. Step 4: Simplify right side
    3,555.51x = 11,064,079.80
  5. Step 5: Solve for x
    x = 11,064,079.80/3,555.51
  6. Step 6: Final answer
    x = 3,111.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.