Home / 2,159.51-2,976.93-1,528.07

Finding the Fourth Proportional to 2,159.51, 2,976.93 and 1,528.07

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Solution

The fourth proportional to 2,159.51, 2,976.93 and 1,528.07 is: 2,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.51 : 2,976.93 = 1,528.07 : x
  2. Step 2: Convert to fraction form
    2,159.51/2,976.93 = 1,528.07/x
  3. Step 3: Cross multiply
    2,159.51x = 2,976.93 × 1,528.07
  4. Step 4: Simplify right side
    2,159.51x = 4,548,964.87
  5. Step 5: Solve for x
    x = 4,548,964.87/2,159.51
  6. Step 6: Final answer
    x = 2,106.48

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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.