Home / 2,045.10-2,822.55-1,259.70

Finding the Fourth Proportional to 2,045.10, 2,822.55 and 1,259.70

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Solution

The fourth proportional to 2,045.10, 2,822.55 and 1,259.70 is: 1,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.10 : 2,822.55 = 1,259.70 : x
  2. Step 2: Convert to fraction form
    2,045.10/2,822.55 = 1,259.70/x
  3. Step 3: Cross multiply
    2,045.10x = 2,822.55 × 1,259.70
  4. Step 4: Simplify right side
    2,045.10x = 3,555,566.24
  5. Step 5: Solve for x
    x = 3,555,566.24/2,045.10
  6. Step 6: Final answer
    x = 1,738.58

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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.