Home / 1,802.81-2,487.94-1,056.84

Finding the Fourth Proportional to 1,802.81, 2,487.94 and 1,056.84

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Solution

The fourth proportional to 1,802.81, 2,487.94 and 1,056.84 is: 1,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.81 : 2,487.94 = 1,056.84 : x
  2. Step 2: Convert to fraction form
    1,802.81/2,487.94 = 1,056.84/x
  3. Step 3: Cross multiply
    1,802.81x = 2,487.94 × 1,056.84
  4. Step 4: Simplify right side
    1,802.81x = 2,629,354.51
  5. Step 5: Solve for x
    x = 2,629,354.51/1,802.81
  6. Step 6: Final answer
    x = 1,458.48

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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.