Home / 1,995.04-2,754.64-1,210.15

Finding the Fourth Proportional to 1,995.04, 2,754.64 and 1,210.15

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Solution

The fourth proportional to 1,995.04, 2,754.64 and 1,210.15 is: 1,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.04 : 2,754.64 = 1,210.15 : x
  2. Step 2: Convert to fraction form
    1,995.04/2,754.64 = 1,210.15/x
  3. Step 3: Cross multiply
    1,995.04x = 2,754.64 × 1,210.15
  4. Step 4: Simplify right side
    1,995.04x = 3,333,527.60
  5. Step 5: Solve for x
    x = 3,333,527.60/1,995.04
  6. Step 6: Final answer
    x = 1,670.91

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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.