Home / 3,666.10-5,053.32-2,868.07

Finding the Fourth Proportional to 3,666.10, 5,053.32 and 2,868.07

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Solution

The fourth proportional to 3,666.10, 5,053.32 and 2,868.07 is: 3,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.10 : 5,053.32 = 2,868.07 : x
  2. Step 2: Convert to fraction form
    3,666.10/5,053.32 = 2,868.07/x
  3. Step 3: Cross multiply
    3,666.10x = 5,053.32 × 2,868.07
  4. Step 4: Simplify right side
    3,666.10x = 14,493,275.49
  5. Step 5: Solve for x
    x = 14,493,275.49/3,666.10
  6. Step 6: Final answer
    x = 3,953.32

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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.