Home / 1,972.47-2,721.96-1,088.26

Finding the Fourth Proportional to 1,972.47, 2,721.96 and 1,088.26

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Solution

The fourth proportional to 1,972.47, 2,721.96 and 1,088.26 is: 1,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.47 : 2,721.96 = 1,088.26 : x
  2. Step 2: Convert to fraction form
    1,972.47/2,721.96 = 1,088.26/x
  3. Step 3: Cross multiply
    1,972.47x = 2,721.96 × 1,088.26
  4. Step 4: Simplify right side
    1,972.47x = 2,962,200.19
  5. Step 5: Solve for x
    x = 2,962,200.19/1,972.47
  6. Step 6: Final answer
    x = 1,501.77

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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.