Home / 2,356.90-3,252.20-1,348.45

Finding the Fourth Proportional to 2,356.90, 3,252.20 and 1,348.45

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Solution

The fourth proportional to 2,356.90, 3,252.20 and 1,348.45 is: 1,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.90 : 3,252.20 = 1,348.45 : x
  2. Step 2: Convert to fraction form
    2,356.90/3,252.20 = 1,348.45/x
  3. Step 3: Cross multiply
    2,356.90x = 3,252.20 × 1,348.45
  4. Step 4: Simplify right side
    2,356.90x = 4,385,421.80
  5. Step 5: Solve for x
    x = 4,385,421.80/2,356.90
  6. Step 6: Final answer
    x = 1,860.68

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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.