Home / 2,477.12-3,418.11-1,482.21

Finding the Fourth Proportional to 2,477.12, 3,418.11 and 1,482.21

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Solution

The fourth proportional to 2,477.12, 3,418.11 and 1,482.21 is: 2,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.12 : 3,418.11 = 1,482.21 : x
  2. Step 2: Convert to fraction form
    2,477.12/3,418.11 = 1,482.21/x
  3. Step 3: Cross multiply
    2,477.12x = 3,418.11 × 1,482.21
  4. Step 4: Simplify right side
    2,477.12x = 5,066,356.82
  5. Step 5: Solve for x
    x = 5,066,356.82/2,477.12
  6. Step 6: Final answer
    x = 2,045.27

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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.