Home / 2,484.80-3,430.52-1,646.22

Finding the Fourth Proportional to 2,484.80, 3,430.52 and 1,646.22

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Solution

The fourth proportional to 2,484.80, 3,430.52 and 1,646.22 is: 2,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.80 : 3,430.52 = 1,646.22 : x
  2. Step 2: Convert to fraction form
    2,484.80/3,430.52 = 1,646.22/x
  3. Step 3: Cross multiply
    2,484.80x = 3,430.52 × 1,646.22
  4. Step 4: Simplify right side
    2,484.80x = 5,647,373.48
  5. Step 5: Solve for x
    x = 5,647,373.48/2,484.80
  6. Step 6: Final answer
    x = 2,272.77

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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.