Home / 1,943.34-2,681.78-1,146.66

Finding the Fourth Proportional to 1,943.34, 2,681.78 and 1,146.66

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Solution

The fourth proportional to 1,943.34, 2,681.78 and 1,146.66 is: 1,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.34 : 2,681.78 = 1,146.66 : x
  2. Step 2: Convert to fraction form
    1,943.34/2,681.78 = 1,146.66/x
  3. Step 3: Cross multiply
    1,943.34x = 2,681.78 × 1,146.66
  4. Step 4: Simplify right side
    1,943.34x = 3,075,080.11
  5. Step 5: Solve for x
    x = 3,075,080.11/1,943.34
  6. Step 6: Final answer
    x = 1,582.37

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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.