Home / 2,783.99-4,175.98-1,140.54

Finding the Fourth Proportional to 2,783.99, 4,175.98 and 1,140.54

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Solution

The fourth proportional to 2,783.99, 4,175.98 and 1,140.54 is: 1,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.99 : 4,175.98 = 1,140.54 : x
  2. Step 2: Convert to fraction form
    2,783.99/4,175.98 = 1,140.54/x
  3. Step 3: Cross multiply
    2,783.99x = 4,175.98 × 1,140.54
  4. Step 4: Simplify right side
    2,783.99x = 4,762,875.79
  5. Step 5: Solve for x
    x = 4,762,875.79/2,783.99
  6. Step 6: Final answer
    x = 1,710.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.