Home / 2,423.00-3,343.61-1,428.32

Finding the Fourth Proportional to 2,423.00, 3,343.61 and 1,428.32

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Solution

The fourth proportional to 2,423.00, 3,343.61 and 1,428.32 is: 1,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.00 : 3,343.61 = 1,428.32 : x
  2. Step 2: Convert to fraction form
    2,423.00/3,343.61 = 1,428.32/x
  3. Step 3: Cross multiply
    2,423.00x = 3,343.61 × 1,428.32
  4. Step 4: Simplify right side
    2,423.00x = 4,775,756.97
  5. Step 5: Solve for x
    x = 4,775,756.97/2,423.00
  6. Step 6: Final answer
    x = 1,971.01

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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.