Home / 2,386.35-3,292.80-1,377.66

Finding the Fourth Proportional to 2,386.35, 3,292.80 and 1,377.66

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Solution

The fourth proportional to 2,386.35, 3,292.80 and 1,377.66 is: 1,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.35 : 3,292.80 = 1,377.66 : x
  2. Step 2: Convert to fraction form
    2,386.35/3,292.80 = 1,377.66/x
  3. Step 3: Cross multiply
    2,386.35x = 3,292.80 × 1,377.66
  4. Step 4: Simplify right side
    2,386.35x = 4,536,358.85
  5. Step 5: Solve for x
    x = 4,536,358.85/2,386.35
  6. Step 6: Final answer
    x = 1,900.96

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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.