Home / 1,838.71-2,531.10-1,588.51

Finding the Fourth Proportional to 1,838.71, 2,531.10 and 1,588.51

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Solution

The fourth proportional to 1,838.71, 2,531.10 and 1,588.51 is: 2,186.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.71 : 2,531.10 = 1,588.51 : x
  2. Step 2: Convert to fraction form
    1,838.71/2,531.10 = 1,588.51/x
  3. Step 3: Cross multiply
    1,838.71x = 2,531.10 × 1,588.51
  4. Step 4: Simplify right side
    1,838.71x = 4,020,677.66
  5. Step 5: Solve for x
    x = 4,020,677.66/1,838.71
  6. Step 6: Final answer
    x = 2,186.68

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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.