Home / 2,075.16-2,865-1,602.12

Finding the Fourth Proportional to 2,075.16, 2,865 and 1,602.12

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Solution

The fourth proportional to 2,075.16, 2,865 and 1,602.12 is: 2,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.16 : 2,865 = 1,602.12 : x
  2. Step 2: Convert to fraction form
    2,075.16/2,865 = 1,602.12/x
  3. Step 3: Cross multiply
    2,075.16x = 2,865 × 1,602.12
  4. Step 4: Simplify right side
    2,075.16x = 4,590,073.80
  5. Step 5: Solve for x
    x = 4,590,073.80/2,075.16
  6. Step 6: Final answer
    x = 2,211.91

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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.