Home / 2,426.48-3,348.06-1,431.80

Finding the Fourth Proportional to 2,426.48, 3,348.06 and 1,431.80

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Solution

The fourth proportional to 2,426.48, 3,348.06 and 1,431.80 is: 1,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.48 : 3,348.06 = 1,431.80 : x
  2. Step 2: Convert to fraction form
    2,426.48/3,348.06 = 1,431.80/x
  3. Step 3: Cross multiply
    2,426.48x = 3,348.06 × 1,431.80
  4. Step 4: Simplify right side
    2,426.48x = 4,793,752.31
  5. Step 5: Solve for x
    x = 4,793,752.31/2,426.48
  6. Step 6: Final answer
    x = 1,975.60

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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.