Home / 1,755.81-2,423.99-1,283.24

Finding the Fourth Proportional to 1,755.81, 2,423.99 and 1,283.24

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Solution

The fourth proportional to 1,755.81, 2,423.99 and 1,283.24 is: 1,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.81 : 2,423.99 = 1,283.24 : x
  2. Step 2: Convert to fraction form
    1,755.81/2,423.99 = 1,283.24/x
  3. Step 3: Cross multiply
    1,755.81x = 2,423.99 × 1,283.24
  4. Step 4: Simplify right side
    1,755.81x = 3,110,552.02
  5. Step 5: Solve for x
    x = 3,110,552.02/1,755.81
  6. Step 6: Final answer
    x = 1,771.58

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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.