Home / 3,328.36-4,590.17-2,148.19

Finding the Fourth Proportional to 3,328.36, 4,590.17 and 2,148.19

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Solution

The fourth proportional to 3,328.36, 4,590.17 and 2,148.19 is: 2,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.36 : 4,590.17 = 2,148.19 : x
  2. Step 2: Convert to fraction form
    3,328.36/4,590.17 = 2,148.19/x
  3. Step 3: Cross multiply
    3,328.36x = 4,590.17 × 2,148.19
  4. Step 4: Simplify right side
    3,328.36x = 9,860,543.13
  5. Step 5: Solve for x
    x = 9,860,543.13/3,328.36
  6. Step 6: Final answer
    x = 2,962.59

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Half scale
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Double scale
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1.5x scale

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.