Home / 3,501.02-4,830.84-1,928.81

Finding the Fourth Proportional to 3,501.02, 4,830.84 and 1,928.81

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Solution

The fourth proportional to 3,501.02, 4,830.84 and 1,928.81 is: 2,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.02 : 4,830.84 = 1,928.81 : x
  2. Step 2: Convert to fraction form
    3,501.02/4,830.84 = 1,928.81/x
  3. Step 3: Cross multiply
    3,501.02x = 4,830.84 × 1,928.81
  4. Step 4: Simplify right side
    3,501.02x = 9,317,784.58
  5. Step 5: Solve for x
    x = 9,317,784.58/3,501.02
  6. Step 6: Final answer
    x = 2,661.45

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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.