Home / 2,590.29-3,885.99-946.83

Finding the Fourth Proportional to 2,590.29, 3,885.99 and 946.83

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Solution

The fourth proportional to 2,590.29, 3,885.99 and 946.83 is: 1,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.29 : 3,885.99 = 946.83 : x
  2. Step 2: Convert to fraction form
    2,590.29/3,885.99 = 946.83/x
  3. Step 3: Cross multiply
    2,590.29x = 3,885.99 × 946.83
  4. Step 4: Simplify right side
    2,590.29x = 3,679,371.91
  5. Step 5: Solve for x
    x = 3,679,371.91/2,590.29
  6. Step 6: Final answer
    x = 1,420.45

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1.5x scale

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.