Home / 2,347.40-3,239.64-1,352.84

Finding the Fourth Proportional to 2,347.40, 3,239.64 and 1,352.84

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Solution

The fourth proportional to 2,347.40, 3,239.64 and 1,352.84 is: 1,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.40 : 3,239.64 = 1,352.84 : x
  2. Step 2: Convert to fraction form
    2,347.40/3,239.64 = 1,352.84/x
  3. Step 3: Cross multiply
    2,347.40x = 3,239.64 × 1,352.84
  4. Step 4: Simplify right side
    2,347.40x = 4,382,714.58
  5. Step 5: Solve for x
    x = 4,382,714.58/2,347.40
  6. Step 6: Final answer
    x = 1,867.05

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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.