Home / 1,886.20-2,829.45-587.77

Finding the Fourth Proportional to 1,886.20, 2,829.45 and 587.77

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Solution

The fourth proportional to 1,886.20, 2,829.45 and 587.77 is: 881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.20 : 2,829.45 = 587.77 : x
  2. Step 2: Convert to fraction form
    1,886.20/2,829.45 = 587.77/x
  3. Step 3: Cross multiply
    1,886.20x = 2,829.45 × 587.77
  4. Step 4: Simplify right side
    1,886.20x = 1,663,065.83
  5. Step 5: Solve for x
    x = 1,663,065.83/1,886.20
  6. Step 6: Final answer
    x = 881.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.