Home / 2,557.08-3,520.68-2,323.50

Finding the Fourth Proportional to 2,557.08, 3,520.68 and 2,323.50

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Solution

The fourth proportional to 2,557.08, 3,520.68 and 2,323.50 is: 3,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.08 : 3,520.68 = 2,323.50 : x
  2. Step 2: Convert to fraction form
    2,557.08/3,520.68 = 2,323.50/x
  3. Step 3: Cross multiply
    2,557.08x = 3,520.68 × 2,323.50
  4. Step 4: Simplify right side
    2,557.08x = 8,180,299.98
  5. Step 5: Solve for x
    x = 8,180,299.98/2,557.08
  6. Step 6: Final answer
    x = 3,199.08

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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.