Home / 2,347.09-3,239.33-1,352.51

Finding the Fourth Proportional to 2,347.09, 3,239.33 and 1,352.51

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Solution

The fourth proportional to 2,347.09, 3,239.33 and 1,352.51 is: 1,866.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.09 : 3,239.33 = 1,352.51 : x
  2. Step 2: Convert to fraction form
    2,347.09/3,239.33 = 1,352.51/x
  3. Step 3: Cross multiply
    2,347.09x = 3,239.33 × 1,352.51
  4. Step 4: Simplify right side
    2,347.09x = 4,381,226.22
  5. Step 5: Solve for x
    x = 4,381,226.22/2,347.09
  6. Step 6: Final answer
    x = 1,866.67

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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.