Home / 2,590.08-3,887.28-948.12

Finding the Fourth Proportional to 2,590.08, 3,887.28 and 948.12

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Solution

The fourth proportional to 2,590.08, 3,887.28 and 948.12 is: 1,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.08 : 3,887.28 = 948.12 : x
  2. Step 2: Convert to fraction form
    2,590.08/3,887.28 = 948.12/x
  3. Step 3: Cross multiply
    2,590.08x = 3,887.28 × 948.12
  4. Step 4: Simplify right side
    2,590.08x = 3,685,607.91
  5. Step 5: Solve for x
    x = 3,685,607.91/2,590.08
  6. Step 6: Final answer
    x = 1,422.97

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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.