Home / 3,130.16-4,697.56-2,521.22

Finding the Fourth Proportional to 3,130.16, 4,697.56 and 2,521.22

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Solution

The fourth proportional to 3,130.16, 4,697.56 and 2,521.22 is: 3,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.16 : 4,697.56 = 2,521.22 : x
  2. Step 2: Convert to fraction form
    3,130.16/4,697.56 = 2,521.22/x
  3. Step 3: Cross multiply
    3,130.16x = 4,697.56 × 2,521.22
  4. Step 4: Simplify right side
    3,130.16x = 11,843,546.13
  5. Step 5: Solve for x
    x = 11,843,546.13/3,130.16
  6. Step 6: Final answer
    x = 3,783.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.