Home / 3,312.60-4,570.95-1,896.12

Finding the Fourth Proportional to 3,312.60, 4,570.95 and 1,896.12

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Solution

The fourth proportional to 3,312.60, 4,570.95 and 1,896.12 is: 2,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.60 : 4,570.95 = 1,896.12 : x
  2. Step 2: Convert to fraction form
    3,312.60/4,570.95 = 1,896.12/x
  3. Step 3: Cross multiply
    3,312.60x = 4,570.95 × 1,896.12
  4. Step 4: Simplify right side
    3,312.60x = 8,667,069.71
  5. Step 5: Solve for x
    x = 8,667,069.71/3,312.60
  6. Step 6: Final answer
    x = 2,616.39

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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.