Home / 4,312.80-5,953.20-2,612.64

Finding the Fourth Proportional to 4,312.80, 5,953.20 and 2,612.64

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Solution

The fourth proportional to 4,312.80, 5,953.20 and 2,612.64 is: 3,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.80 : 5,953.20 = 2,612.64 : x
  2. Step 2: Convert to fraction form
    4,312.80/5,953.20 = 2,612.64/x
  3. Step 3: Cross multiply
    4,312.80x = 5,953.20 × 2,612.64
  4. Step 4: Simplify right side
    4,312.80x = 15,553,568.45
  5. Step 5: Solve for x
    x = 15,553,568.45/4,312.80
  6. Step 6: Final answer
    x = 3,606.37

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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.