Home / 3,646.16-5,029.99-2,153.06

Finding the Fourth Proportional to 3,646.16, 5,029.99 and 2,153.06

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Solution

The fourth proportional to 3,646.16, 5,029.99 and 2,153.06 is: 2,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.16 : 5,029.99 = 2,153.06 : x
  2. Step 2: Convert to fraction form
    3,646.16/5,029.99 = 2,153.06/x
  3. Step 3: Cross multiply
    3,646.16x = 5,029.99 × 2,153.06
  4. Step 4: Simplify right side
    3,646.16x = 10,829,834.35
  5. Step 5: Solve for x
    x = 10,829,834.35/3,646.16
  6. Step 6: Final answer
    x = 2,970.21

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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.