Home / 2,984.32-4,118.36-1,658.16

Finding the Fourth Proportional to 2,984.32, 4,118.36 and 1,658.16

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Solution

The fourth proportional to 2,984.32, 4,118.36 and 1,658.16 is: 2,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.32 : 4,118.36 = 1,658.16 : x
  2. Step 2: Convert to fraction form
    2,984.32/4,118.36 = 1,658.16/x
  3. Step 3: Cross multiply
    2,984.32x = 4,118.36 × 1,658.16
  4. Step 4: Simplify right side
    2,984.32x = 6,828,899.82
  5. Step 5: Solve for x
    x = 6,828,899.82/2,984.32
  6. Step 6: Final answer
    x = 2,288.26

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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.