Home / 1,802.96-2,487.26-1,056.65

Finding the Fourth Proportional to 1,802.96, 2,487.26 and 1,056.65

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Solution

The fourth proportional to 1,802.96, 2,487.26 and 1,056.65 is: 1,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.96 : 2,487.26 = 1,056.65 : x
  2. Step 2: Convert to fraction form
    1,802.96/2,487.26 = 1,056.65/x
  3. Step 3: Cross multiply
    1,802.96x = 2,487.26 × 1,056.65
  4. Step 4: Simplify right side
    1,802.96x = 2,628,147.54
  5. Step 5: Solve for x
    x = 2,628,147.54/1,802.96
  6. Step 6: Final answer
    x = 1,457.69

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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.