Home / 2,530.04-3,489.47-1,646.12

Finding the Fourth Proportional to 2,530.04, 3,489.47 and 1,646.12

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Solution

The fourth proportional to 2,530.04, 3,489.47 and 1,646.12 is: 2,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.04 : 3,489.47 = 1,646.12 : x
  2. Step 2: Convert to fraction form
    2,530.04/3,489.47 = 1,646.12/x
  3. Step 3: Cross multiply
    2,530.04x = 3,489.47 × 1,646.12
  4. Step 4: Simplify right side
    2,530.04x = 5,744,086.36
  5. Step 5: Solve for x
    x = 5,744,086.36/2,530.04
  6. Step 6: Final answer
    x = 2,270.35

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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.