Home / 1,876.53-2,588.43-1,397.55

Finding the Fourth Proportional to 1,876.53, 2,588.43 and 1,397.55

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Solution

The fourth proportional to 1,876.53, 2,588.43 and 1,397.55 is: 1,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.53 : 2,588.43 = 1,397.55 : x
  2. Step 2: Convert to fraction form
    1,876.53/2,588.43 = 1,397.55/x
  3. Step 3: Cross multiply
    1,876.53x = 2,588.43 × 1,397.55
  4. Step 4: Simplify right side
    1,876.53x = 3,617,460.35
  5. Step 5: Solve for x
    x = 3,617,460.35/1,876.53
  6. Step 6: Final answer
    x = 1,927.74

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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.