Home / 2,840.47-4,263.15-1,110.31

Finding the Fourth Proportional to 2,840.47, 4,263.15 and 1,110.31

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Solution

The fourth proportional to 2,840.47, 4,263.15 and 1,110.31 is: 1,666.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.47 : 4,263.15 = 1,110.31 : x
  2. Step 2: Convert to fraction form
    2,840.47/4,263.15 = 1,110.31/x
  3. Step 3: Cross multiply
    2,840.47x = 4,263.15 × 1,110.31
  4. Step 4: Simplify right side
    2,840.47x = 4,733,418.08
  5. Step 5: Solve for x
    x = 4,733,418.08/2,840.47
  6. Step 6: Final answer
    x = 1,666.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.