Home / 1,838.91-2,537.56-1,130.68

Finding the Fourth Proportional to 1,838.91, 2,537.56 and 1,130.68

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Solution

The fourth proportional to 1,838.91, 2,537.56 and 1,130.68 is: 1,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.91 : 2,537.56 = 1,130.68 : x
  2. Step 2: Convert to fraction form
    1,838.91/2,537.56 = 1,130.68/x
  3. Step 3: Cross multiply
    1,838.91x = 2,537.56 × 1,130.68
  4. Step 4: Simplify right side
    1,838.91x = 2,869,168.34
  5. Step 5: Solve for x
    x = 2,869,168.34/1,838.91
  6. Step 6: Final answer
    x = 1,560.25

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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.