Home / 2,303.16-3,178.37-1,308.77

Finding the Fourth Proportional to 2,303.16, 3,178.37 and 1,308.77

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Solution

The fourth proportional to 2,303.16, 3,178.37 and 1,308.77 is: 1,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.16 : 3,178.37 = 1,308.77 : x
  2. Step 2: Convert to fraction form
    2,303.16/3,178.37 = 1,308.77/x
  3. Step 3: Cross multiply
    2,303.16x = 3,178.37 × 1,308.77
  4. Step 4: Simplify right side
    2,303.16x = 4,159,749.70
  5. Step 5: Solve for x
    x = 4,159,749.70/2,303.16
  6. Step 6: Final answer
    x = 1,806.11

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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.