Home / 2,470.36-3,407.22-1,972.36

Finding the Fourth Proportional to 2,470.36, 3,407.22 and 1,972.36

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Solution

The fourth proportional to 2,470.36, 3,407.22 and 1,972.36 is: 2,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.36 : 3,407.22 = 1,972.36 : x
  2. Step 2: Convert to fraction form
    2,470.36/3,407.22 = 1,972.36/x
  3. Step 3: Cross multiply
    2,470.36x = 3,407.22 × 1,972.36
  4. Step 4: Simplify right side
    2,470.36x = 6,720,264.44
  5. Step 5: Solve for x
    x = 6,720,264.44/2,470.36
  6. Step 6: Final answer
    x = 2,720.36

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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.