Home / 3,051.12-4,208.34-1,872.84

Finding the Fourth Proportional to 3,051.12, 4,208.34 and 1,872.84

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Solution

The fourth proportional to 3,051.12, 4,208.34 and 1,872.84 is: 2,583.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.12 : 4,208.34 = 1,872.84 : x
  2. Step 2: Convert to fraction form
    3,051.12/4,208.34 = 1,872.84/x
  3. Step 3: Cross multiply
    3,051.12x = 4,208.34 × 1,872.84
  4. Step 4: Simplify right side
    3,051.12x = 7,881,547.49
  5. Step 5: Solve for x
    x = 7,881,547.49/3,051.12
  6. Step 6: Final answer
    x = 2,583.17

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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.