Home / 4,048.72-5,586.84-2,987.07

Finding the Fourth Proportional to 4,048.72, 5,586.84 and 2,987.07

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Solution

The fourth proportional to 4,048.72, 5,586.84 and 2,987.07 is: 4,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.72 : 5,586.84 = 2,987.07 : x
  2. Step 2: Convert to fraction form
    4,048.72/5,586.84 = 2,987.07/x
  3. Step 3: Cross multiply
    4,048.72x = 5,586.84 × 2,987.07
  4. Step 4: Simplify right side
    4,048.72x = 16,688,254.22
  5. Step 5: Solve for x
    x = 16,688,254.22/4,048.72
  6. Step 6: Final answer
    x = 4,121.86

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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.