Home / 3,108.04-4,289.06-1,710.76

Finding the Fourth Proportional to 3,108.04, 4,289.06 and 1,710.76

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Solution

The fourth proportional to 3,108.04, 4,289.06 and 1,710.76 is: 2,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.04 : 4,289.06 = 1,710.76 : x
  2. Step 2: Convert to fraction form
    3,108.04/4,289.06 = 1,710.76/x
  3. Step 3: Cross multiply
    3,108.04x = 4,289.06 × 1,710.76
  4. Step 4: Simplify right side
    3,108.04x = 7,337,552.29
  5. Step 5: Solve for x
    x = 7,337,552.29/3,108.04
  6. Step 6: Final answer
    x = 2,360.83

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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.