Home / 1,926.59-2,657.21-1,397.45

Finding the Fourth Proportional to 1,926.59, 2,657.21 and 1,397.45

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Solution

The fourth proportional to 1,926.59, 2,657.21 and 1,397.45 is: 1,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.59 : 2,657.21 = 1,397.45 : x
  2. Step 2: Convert to fraction form
    1,926.59/2,657.21 = 1,397.45/x
  3. Step 3: Cross multiply
    1,926.59x = 2,657.21 × 1,397.45
  4. Step 4: Simplify right side
    1,926.59x = 3,713,317.77
  5. Step 5: Solve for x
    x = 3,713,317.77/1,926.59
  6. Step 6: Final answer
    x = 1,927.41

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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.