Home / 1,812.58-2,501.40-1,026.62

Finding the Fourth Proportional to 1,812.58, 2,501.40 and 1,026.62

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Solution

The fourth proportional to 1,812.58, 2,501.40 and 1,026.62 is: 1,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.58 : 2,501.40 = 1,026.62 : x
  2. Step 2: Convert to fraction form
    1,812.58/2,501.40 = 1,026.62/x
  3. Step 3: Cross multiply
    1,812.58x = 2,501.40 × 1,026.62
  4. Step 4: Simplify right side
    1,812.58x = 2,567,987.27
  5. Step 5: Solve for x
    x = 2,567,987.27/1,812.58
  6. Step 6: Final answer
    x = 1,416.76

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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.