Home / 3,058.10-4,220.52-2,113.60

Finding the Fourth Proportional to 3,058.10, 4,220.52 and 2,113.60

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Solution

The fourth proportional to 3,058.10, 4,220.52 and 2,113.60 is: 2,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.10 : 4,220.52 = 2,113.60 : x
  2. Step 2: Convert to fraction form
    3,058.10/4,220.52 = 2,113.60/x
  3. Step 3: Cross multiply
    3,058.10x = 4,220.52 × 2,113.60
  4. Step 4: Simplify right side
    3,058.10x = 8,920,491.07
  5. Step 5: Solve for x
    x = 8,920,491.07/3,058.10
  6. Step 6: Final answer
    x = 2,917.00

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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.