Home / 2,452.48-3,384.18-1,390.18

Finding the Fourth Proportional to 2,452.48, 3,384.18 and 1,390.18

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Solution

The fourth proportional to 2,452.48, 3,384.18 and 1,390.18 is: 1,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.48 : 3,384.18 = 1,390.18 : x
  2. Step 2: Convert to fraction form
    2,452.48/3,384.18 = 1,390.18/x
  3. Step 3: Cross multiply
    2,452.48x = 3,384.18 × 1,390.18
  4. Step 4: Simplify right side
    2,452.48x = 4,704,619.35
  5. Step 5: Solve for x
    x = 4,704,619.35/2,452.48
  6. Step 6: Final answer
    x = 1,918.31

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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.