Home / 2,587.01-3,567.98-1,690.67

Finding the Fourth Proportional to 2,587.01, 3,567.98 and 1,690.67

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Solution

The fourth proportional to 2,587.01, 3,567.98 and 1,690.67 is: 2,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.01 : 3,567.98 = 1,690.67 : x
  2. Step 2: Convert to fraction form
    2,587.01/3,567.98 = 1,690.67/x
  3. Step 3: Cross multiply
    2,587.01x = 3,567.98 × 1,690.67
  4. Step 4: Simplify right side
    2,587.01x = 6,032,289.89
  5. Step 5: Solve for x
    x = 6,032,289.89/2,587.01
  6. Step 6: Final answer
    x = 2,331.77

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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.