Home / 1,810.61-2,496.99-1,531.43

Finding the Fourth Proportional to 1,810.61, 2,496.99 and 1,531.43

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Solution

The fourth proportional to 1,810.61, 2,496.99 and 1,531.43 is: 2,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.61 : 2,496.99 = 1,531.43 : x
  2. Step 2: Convert to fraction form
    1,810.61/2,496.99 = 1,531.43/x
  3. Step 3: Cross multiply
    1,810.61x = 2,496.99 × 1,531.43
  4. Step 4: Simplify right side
    1,810.61x = 3,823,965.40
  5. Step 5: Solve for x
    x = 3,823,965.40/1,810.61
  6. Step 6: Final answer
    x = 2,111.98

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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.