Home / 2,357.39-3,253.22-1,309.52

Finding the Fourth Proportional to 2,357.39, 3,253.22 and 1,309.52

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Solution

The fourth proportional to 2,357.39, 3,253.22 and 1,309.52 is: 1,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.39 : 3,253.22 = 1,309.52 : x
  2. Step 2: Convert to fraction form
    2,357.39/3,253.22 = 1,309.52/x
  3. Step 3: Cross multiply
    2,357.39x = 3,253.22 × 1,309.52
  4. Step 4: Simplify right side
    2,357.39x = 4,260,133.84
  5. Step 5: Solve for x
    x = 4,260,133.84/2,357.39
  6. Step 6: Final answer
    x = 1,807.14

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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.