Home / 2,365.40-3,263.40-1,370.13

Finding the Fourth Proportional to 2,365.40, 3,263.40 and 1,370.13

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Solution

The fourth proportional to 2,365.40, 3,263.40 and 1,370.13 is: 1,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.40 : 3,263.40 = 1,370.13 : x
  2. Step 2: Convert to fraction form
    2,365.40/3,263.40 = 1,370.13/x
  3. Step 3: Cross multiply
    2,365.40x = 3,263.40 × 1,370.13
  4. Step 4: Simplify right side
    2,365.40x = 4,471,282.24
  5. Step 5: Solve for x
    x = 4,471,282.24/2,365.40
  6. Step 6: Final answer
    x = 1,890.29

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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.