Home / 2,373.12-3,555.36-2,005.20

Finding the Fourth Proportional to 2,373.12, 3,555.36 and 2,005.20

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Solution

The fourth proportional to 2,373.12, 3,555.36 and 2,005.20 is: 3,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.12 : 3,555.36 = 2,005.20 : x
  2. Step 2: Convert to fraction form
    2,373.12/3,555.36 = 2,005.20/x
  3. Step 3: Cross multiply
    2,373.12x = 3,555.36 × 2,005.20
  4. Step 4: Simplify right side
    2,373.12x = 7,129,207.87
  5. Step 5: Solve for x
    x = 7,129,207.87/2,373.12
  6. Step 6: Final answer
    x = 3,004.15

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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.