Home / 2,347.07-3,238.92-1,415.57

Finding the Fourth Proportional to 2,347.07, 3,238.92 and 1,415.57

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Solution

The fourth proportional to 2,347.07, 3,238.92 and 1,415.57 is: 1,953.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.07 : 3,238.92 = 1,415.57 : x
  2. Step 2: Convert to fraction form
    2,347.07/3,238.92 = 1,415.57/x
  3. Step 3: Cross multiply
    2,347.07x = 3,238.92 × 1,415.57
  4. Step 4: Simplify right side
    2,347.07x = 4,584,901.79
  5. Step 5: Solve for x
    x = 4,584,901.79/2,347.07
  6. Step 6: Final answer
    x = 1,953.46

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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.