Home / 2,259.32-3,117.84-1,820.36

Finding the Fourth Proportional to 2,259.32, 3,117.84 and 1,820.36

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Solution

The fourth proportional to 2,259.32, 3,117.84 and 1,820.36 is: 2,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.32 : 3,117.84 = 1,820.36 : x
  2. Step 2: Convert to fraction form
    2,259.32/3,117.84 = 1,820.36/x
  3. Step 3: Cross multiply
    2,259.32x = 3,117.84 × 1,820.36
  4. Step 4: Simplify right side
    2,259.32x = 5,675,591.22
  5. Step 5: Solve for x
    x = 5,675,591.22/2,259.32
  6. Step 6: Final answer
    x = 2,512.08

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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.