Home / 1,931.56-2,885.58-1,232.66

Finding the Fourth Proportional to 1,931.56, 2,885.58 and 1,232.66

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Solution

The fourth proportional to 1,931.56, 2,885.58 and 1,232.66 is: 1,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.56 : 2,885.58 = 1,232.66 : x
  2. Step 2: Convert to fraction form
    1,931.56/2,885.58 = 1,232.66/x
  3. Step 3: Cross multiply
    1,931.56x = 2,885.58 × 1,232.66
  4. Step 4: Simplify right side
    1,931.56x = 3,556,946.26
  5. Step 5: Solve for x
    x = 3,556,946.26/1,931.56
  6. Step 6: Final answer
    x = 1,841.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.