Home / 4,216.32-5,810.40-2,972.16

Finding the Fourth Proportional to 4,216.32, 5,810.40 and 2,972.16

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Solution

The fourth proportional to 4,216.32, 5,810.40 and 2,972.16 is: 4,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.32 : 5,810.40 = 2,972.16 : x
  2. Step 2: Convert to fraction form
    4,216.32/5,810.40 = 2,972.16/x
  3. Step 3: Cross multiply
    4,216.32x = 5,810.40 × 2,972.16
  4. Step 4: Simplify right side
    4,216.32x = 17,269,438.46
  5. Step 5: Solve for x
    x = 17,269,438.46/4,216.32
  6. Step 6: Final answer
    x = 4,095.86

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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.