Home / 2,340.34-3,220.21-2,259.52

Finding the Fourth Proportional to 2,340.34, 3,220.21 and 2,259.52

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Solution

The fourth proportional to 2,340.34, 3,220.21 and 2,259.52 is: 3,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.34 : 3,220.21 = 2,259.52 : x
  2. Step 2: Convert to fraction form
    2,340.34/3,220.21 = 2,259.52/x
  3. Step 3: Cross multiply
    2,340.34x = 3,220.21 × 2,259.52
  4. Step 4: Simplify right side
    2,340.34x = 7,276,128.90
  5. Step 5: Solve for x
    x = 7,276,128.90/2,340.34
  6. Step 6: Final answer
    x = 3,109.01

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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.