Home / 2,647.18-3,649.68-2,056.66

Finding the Fourth Proportional to 2,647.18, 3,649.68 and 2,056.66

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Solution

The fourth proportional to 2,647.18, 3,649.68 and 2,056.66 is: 2,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.18 : 3,649.68 = 2,056.66 : x
  2. Step 2: Convert to fraction form
    2,647.18/3,649.68 = 2,056.66/x
  3. Step 3: Cross multiply
    2,647.18x = 3,649.68 × 2,056.66
  4. Step 4: Simplify right side
    2,647.18x = 7,506,150.87
  5. Step 5: Solve for x
    x = 7,506,150.87/2,647.18
  6. Step 6: Final answer
    x = 2,835.53

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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.