Home / 1,874.19-2,587.50-1,666.62

Finding the Fourth Proportional to 1,874.19, 2,587.50 and 1,666.62

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Solution

The fourth proportional to 1,874.19, 2,587.50 and 1,666.62 is: 2,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.19 : 2,587.50 = 1,666.62 : x
  2. Step 2: Convert to fraction form
    1,874.19/2,587.50 = 1,666.62/x
  3. Step 3: Cross multiply
    1,874.19x = 2,587.50 × 1,666.62
  4. Step 4: Simplify right side
    1,874.19x = 4,312,379.25
  5. Step 5: Solve for x
    x = 4,312,379.25/1,874.19
  6. Step 6: Final answer
    x = 2,300.93

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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.