Home / 3,312.12-4,970.16-1,232.31

Finding the Fourth Proportional to 3,312.12, 4,970.16 and 1,232.31

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Solution

The fourth proportional to 3,312.12, 4,970.16 and 1,232.31 is: 1,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.12 : 4,970.16 = 1,232.31 : x
  2. Step 2: Convert to fraction form
    3,312.12/4,970.16 = 1,232.31/x
  3. Step 3: Cross multiply
    3,312.12x = 4,970.16 × 1,232.31
  4. Step 4: Simplify right side
    3,312.12x = 6,124,777.87
  5. Step 5: Solve for x
    x = 6,124,777.87/3,312.12
  6. Step 6: Final answer
    x = 1,849.20

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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.