Home / 2,058.13-2,840.21-1,126.63

Finding the Fourth Proportional to 2,058.13, 2,840.21 and 1,126.63

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Solution

The fourth proportional to 2,058.13, 2,840.21 and 1,126.63 is: 1,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.13 : 2,840.21 = 1,126.63 : x
  2. Step 2: Convert to fraction form
    2,058.13/2,840.21 = 1,126.63/x
  3. Step 3: Cross multiply
    2,058.13x = 2,840.21 × 1,126.63
  4. Step 4: Simplify right side
    2,058.13x = 3,199,865.79
  5. Step 5: Solve for x
    x = 3,199,865.79/2,058.13
  6. Step 6: Final answer
    x = 1,554.74

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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.