Home / 2,423.12-3,342.33-1,427.56

Finding the Fourth Proportional to 2,423.12, 3,342.33 and 1,427.56

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Solution

The fourth proportional to 2,423.12, 3,342.33 and 1,427.56 is: 1,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.12 : 3,342.33 = 1,427.56 : x
  2. Step 2: Convert to fraction form
    2,423.12/3,342.33 = 1,427.56/x
  3. Step 3: Cross multiply
    2,423.12x = 3,342.33 × 1,427.56
  4. Step 4: Simplify right side
    2,423.12x = 4,771,368.26
  5. Step 5: Solve for x
    x = 4,771,368.26/2,423.12
  6. Step 6: Final answer
    x = 1,969.11

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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.