Home / 2,058.77-2,841.63-1,272.37

Finding the Fourth Proportional to 2,058.77, 2,841.63 and 1,272.37

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Solution

The fourth proportional to 2,058.77, 2,841.63 and 1,272.37 is: 1,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.77 : 2,841.63 = 1,272.37 : x
  2. Step 2: Convert to fraction form
    2,058.77/2,841.63 = 1,272.37/x
  3. Step 3: Cross multiply
    2,058.77x = 2,841.63 × 1,272.37
  4. Step 4: Simplify right side
    2,058.77x = 3,615,604.76
  5. Step 5: Solve for x
    x = 3,615,604.76/2,058.77
  6. Step 6: Final answer
    x = 1,756.20

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1.5x scale

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.