Home / 2,127.61-2,935.29-1,569.41

Finding the Fourth Proportional to 2,127.61, 2,935.29 and 1,569.41

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Solution

The fourth proportional to 2,127.61, 2,935.29 and 1,569.41 is: 2,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.61 : 2,935.29 = 1,569.41 : x
  2. Step 2: Convert to fraction form
    2,127.61/2,935.29 = 1,569.41/x
  3. Step 3: Cross multiply
    2,127.61x = 2,935.29 × 1,569.41
  4. Step 4: Simplify right side
    2,127.61x = 4,606,672.97
  5. Step 5: Solve for x
    x = 4,606,672.97/2,127.61
  6. Step 6: Final answer
    x = 2,165.19

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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.