Home / 3,210.36-4,430.49-2,216.10

Finding the Fourth Proportional to 3,210.36, 4,430.49 and 2,216.10

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Solution

The fourth proportional to 3,210.36, 4,430.49 and 2,216.10 is: 3,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.36 : 4,430.49 = 2,216.10 : x
  2. Step 2: Convert to fraction form
    3,210.36/4,430.49 = 2,216.10/x
  3. Step 3: Cross multiply
    3,210.36x = 4,430.49 × 2,216.10
  4. Step 4: Simplify right side
    3,210.36x = 9,818,408.89
  5. Step 5: Solve for x
    x = 9,818,408.89/3,210.36
  6. Step 6: Final answer
    x = 3,058.35

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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.