Home / 2,458.02-3,392.05-1,395.75

Finding the Fourth Proportional to 2,458.02, 3,392.05 and 1,395.75

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Solution

The fourth proportional to 2,458.02, 3,392.05 and 1,395.75 is: 1,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.02 : 3,392.05 = 1,395.75 : x
  2. Step 2: Convert to fraction form
    2,458.02/3,392.05 = 1,395.75/x
  3. Step 3: Cross multiply
    2,458.02x = 3,392.05 × 1,395.75
  4. Step 4: Simplify right side
    2,458.02x = 4,734,453.79
  5. Step 5: Solve for x
    x = 4,734,453.79/2,458.02
  6. Step 6: Final answer
    x = 1,926.13

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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.