Home / 2,186.91-3,018.59-2,075.30

Finding the Fourth Proportional to 2,186.91, 3,018.59 and 2,075.30

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Solution

The fourth proportional to 2,186.91, 3,018.59 and 2,075.30 is: 2,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.91 : 3,018.59 = 2,075.30 : x
  2. Step 2: Convert to fraction form
    2,186.91/3,018.59 = 2,075.30/x
  3. Step 3: Cross multiply
    2,186.91x = 3,018.59 × 2,075.30
  4. Step 4: Simplify right side
    2,186.91x = 6,264,474.79
  5. Step 5: Solve for x
    x = 6,264,474.79/2,186.91
  6. Step 6: Final answer
    x = 2,864.53

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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.