Home / 2,259.48-3,389.22-1,712.64

Finding the Fourth Proportional to 2,259.48, 3,389.22 and 1,712.64

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Solution

The fourth proportional to 2,259.48, 3,389.22 and 1,712.64 is: 2,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.48 : 3,389.22 = 1,712.64 : x
  2. Step 2: Convert to fraction form
    2,259.48/3,389.22 = 1,712.64/x
  3. Step 3: Cross multiply
    2,259.48x = 3,389.22 × 1,712.64
  4. Step 4: Simplify right side
    2,259.48x = 5,804,513.74
  5. Step 5: Solve for x
    x = 5,804,513.74/2,259.48
  6. Step 6: Final answer
    x = 2,568.96

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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.