Home / 2,351.16-3,243.84-1,565.34

Finding the Fourth Proportional to 2,351.16, 3,243.84 and 1,565.34

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Solution

The fourth proportional to 2,351.16, 3,243.84 and 1,565.34 is: 2,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.16 : 3,243.84 = 1,565.34 : x
  2. Step 2: Convert to fraction form
    2,351.16/3,243.84 = 1,565.34/x
  3. Step 3: Cross multiply
    2,351.16x = 3,243.84 × 1,565.34
  4. Step 4: Simplify right side
    2,351.16x = 5,077,712.51
  5. Step 5: Solve for x
    x = 5,077,712.51/2,351.16
  6. Step 6: Final answer
    x = 2,159.66

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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.