Home / 4,690.40-7,036.08-1,612

Finding the Fourth Proportional to 4,690.40, 7,036.08 and 1,612

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Solution

The fourth proportional to 4,690.40, 7,036.08 and 1,612 is: 2,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.40 : 7,036.08 = 1,612 : x
  2. Step 2: Convert to fraction form
    4,690.40/7,036.08 = 1,612/x
  3. Step 3: Cross multiply
    4,690.40x = 7,036.08 × 1,612
  4. Step 4: Simplify right side
    4,690.40x = 11,342,160.96
  5. Step 5: Solve for x
    x = 11,342,160.96/4,690.40
  6. Step 6: Final answer
    x = 2,418.16

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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.