Home / 2,727.98-3,762.60-1,732.40

Finding the Fourth Proportional to 2,727.98, 3,762.60 and 1,732.40

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Solution

The fourth proportional to 2,727.98, 3,762.60 and 1,732.40 is: 2,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.98 : 3,762.60 = 1,732.40 : x
  2. Step 2: Convert to fraction form
    2,727.98/3,762.60 = 1,732.40/x
  3. Step 3: Cross multiply
    2,727.98x = 3,762.60 × 1,732.40
  4. Step 4: Simplify right side
    2,727.98x = 6,518,328.24
  5. Step 5: Solve for x
    x = 6,518,328.24/2,727.98
  6. Step 6: Final answer
    x = 2,389.43

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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.