Home / 2,058.06-2,840.16-1,272.57

Finding the Fourth Proportional to 2,058.06, 2,840.16 and 1,272.57

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Solution

The fourth proportional to 2,058.06, 2,840.16 and 1,272.57 is: 1,756.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.06 : 2,840.16 = 1,272.57 : x
  2. Step 2: Convert to fraction form
    2,058.06/2,840.16 = 1,272.57/x
  3. Step 3: Cross multiply
    2,058.06x = 2,840.16 × 1,272.57
  4. Step 4: Simplify right side
    2,058.06x = 3,614,302.41
  5. Step 5: Solve for x
    x = 3,614,302.41/2,058.06
  6. Step 6: Final answer
    x = 1,756.17

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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.