Home / 2,590.64-3,885.85-1,030.58

Finding the Fourth Proportional to 2,590.64, 3,885.85 and 1,030.58

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Solution

The fourth proportional to 2,590.64, 3,885.85 and 1,030.58 is: 1,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.64 : 3,885.85 = 1,030.58 : x
  2. Step 2: Convert to fraction form
    2,590.64/3,885.85 = 1,030.58/x
  3. Step 3: Cross multiply
    2,590.64x = 3,885.85 × 1,030.58
  4. Step 4: Simplify right side
    2,590.64x = 4,004,679.29
  5. Step 5: Solve for x
    x = 4,004,679.29/2,590.64
  6. Step 6: Final answer
    x = 1,545.83

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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.