Home / 2,365.13-3,263.36-1,370.39

Finding the Fourth Proportional to 2,365.13, 3,263.36 and 1,370.39

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Solution

The fourth proportional to 2,365.13, 3,263.36 and 1,370.39 is: 1,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.13 : 3,263.36 = 1,370.39 : x
  2. Step 2: Convert to fraction form
    2,365.13/3,263.36 = 1,370.39/x
  3. Step 3: Cross multiply
    2,365.13x = 3,263.36 × 1,370.39
  4. Step 4: Simplify right side
    2,365.13x = 4,472,052.74
  5. Step 5: Solve for x
    x = 4,472,052.74/2,365.13
  6. Step 6: Final answer
    x = 1,890.83

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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.