Home / 3,424.98-4,746-3,216.90

Finding the Fourth Proportional to 3,424.98, 4,746 and 3,216.90

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Solution

The fourth proportional to 3,424.98, 4,746 and 3,216.90 is: 4,457.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.98 : 4,746 = 3,216.90 : x
  2. Step 2: Convert to fraction form
    3,424.98/4,746 = 3,216.90/x
  3. Step 3: Cross multiply
    3,424.98x = 4,746 × 3,216.90
  4. Step 4: Simplify right side
    3,424.98x = 15,267,407.40
  5. Step 5: Solve for x
    x = 15,267,407.40/3,424.98
  6. Step 6: Final answer
    x = 4,457.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.