Home / 1,721.16-2,374.43-1,022.13

Finding the Fourth Proportional to 1,721.16, 2,374.43 and 1,022.13

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Solution

The fourth proportional to 1,721.16, 2,374.43 and 1,022.13 is: 1,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.16 : 2,374.43 = 1,022.13 : x
  2. Step 2: Convert to fraction form
    1,721.16/2,374.43 = 1,022.13/x
  3. Step 3: Cross multiply
    1,721.16x = 2,374.43 × 1,022.13
  4. Step 4: Simplify right side
    1,721.16x = 2,426,964.26
  5. Step 5: Solve for x
    x = 2,426,964.26/1,721.16
  6. Step 6: Final answer
    x = 1,410.08

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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.