Home / 2,357.52-3,253.36-1,309.60

Finding the Fourth Proportional to 2,357.52, 3,253.36 and 1,309.60

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Solution

The fourth proportional to 2,357.52, 3,253.36 and 1,309.60 is: 1,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.52 : 3,253.36 = 1,309.60 : x
  2. Step 2: Convert to fraction form
    2,357.52/3,253.36 = 1,309.60/x
  3. Step 3: Cross multiply
    2,357.52x = 3,253.36 × 1,309.60
  4. Step 4: Simplify right side
    2,357.52x = 4,260,600.26
  5. Step 5: Solve for x
    x = 4,260,600.26/2,357.52
  6. Step 6: Final answer
    x = 1,807.24

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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.