Home / 1,872.74-2,587.20-1,595.86

Finding the Fourth Proportional to 1,872.74, 2,587.20 and 1,595.86

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Solution

The fourth proportional to 1,872.74, 2,587.20 and 1,595.86 is: 2,204.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.74 : 2,587.20 = 1,595.86 : x
  2. Step 2: Convert to fraction form
    1,872.74/2,587.20 = 1,595.86/x
  3. Step 3: Cross multiply
    1,872.74x = 2,587.20 × 1,595.86
  4. Step 4: Simplify right side
    1,872.74x = 4,128,808.99
  5. Step 5: Solve for x
    x = 4,128,808.99/1,872.74
  6. Step 6: Final answer
    x = 2,204.69

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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.