Home / 2,374.40-3,277.29-1,379.55

Finding the Fourth Proportional to 2,374.40, 3,277.29 and 1,379.55

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Solution

The fourth proportional to 2,374.40, 3,277.29 and 1,379.55 is: 1,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.40 : 3,277.29 = 1,379.55 : x
  2. Step 2: Convert to fraction form
    2,374.40/3,277.29 = 1,379.55/x
  3. Step 3: Cross multiply
    2,374.40x = 3,277.29 × 1,379.55
  4. Step 4: Simplify right side
    2,374.40x = 4,521,185.42
  5. Step 5: Solve for x
    x = 4,521,185.42/2,374.40
  6. Step 6: Final answer
    x = 1,904.14

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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.