Home / 1,783.69-2,471.99-1,756.35

Finding the Fourth Proportional to 1,783.69, 2,471.99 and 1,756.35

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Solution

The fourth proportional to 1,783.69, 2,471.99 and 1,756.35 is: 2,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783.69 : 2,471.99 = 1,756.35 : x
  2. Step 2: Convert to fraction form
    1,783.69/2,471.99 = 1,756.35/x
  3. Step 3: Cross multiply
    1,783.69x = 2,471.99 × 1,756.35
  4. Step 4: Simplify right side
    1,783.69x = 4,341,670.85
  5. Step 5: Solve for x
    x = 4,341,670.85/1,783.69
  6. Step 6: Final answer
    x = 2,434.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.