Home / 1,812.88-2,501.77-1,026.98

Finding the Fourth Proportional to 1,812.88, 2,501.77 and 1,026.98

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Solution

The fourth proportional to 1,812.88, 2,501.77 and 1,026.98 is: 1,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.88 : 2,501.77 = 1,026.98 : x
  2. Step 2: Convert to fraction form
    1,812.88/2,501.77 = 1,026.98/x
  3. Step 3: Cross multiply
    1,812.88x = 2,501.77 × 1,026.98
  4. Step 4: Simplify right side
    1,812.88x = 2,569,255.25
  5. Step 5: Solve for x
    x = 2,569,255.25/1,812.88
  6. Step 6: Final answer
    x = 1,417.23

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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.