Home / 3,460.95-4,776.98-1,969.79

Finding the Fourth Proportional to 3,460.95, 4,776.98 and 1,969.79

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Solution

The fourth proportional to 3,460.95, 4,776.98 and 1,969.79 is: 2,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.95 : 4,776.98 = 1,969.79 : x
  2. Step 2: Convert to fraction form
    3,460.95/4,776.98 = 1,969.79/x
  3. Step 3: Cross multiply
    3,460.95x = 4,776.98 × 1,969.79
  4. Step 4: Simplify right side
    3,460.95x = 9,409,613.70
  5. Step 5: Solve for x
    x = 9,409,613.70/3,460.95
  6. Step 6: Final answer
    x = 2,718.80

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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.