Home / 2,521.40-3,776.70-1,646.60

Finding the Fourth Proportional to 2,521.40, 3,776.70 and 1,646.60

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Solution

The fourth proportional to 2,521.40, 3,776.70 and 1,646.60 is: 2,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.40 : 3,776.70 = 1,646.60 : x
  2. Step 2: Convert to fraction form
    2,521.40/3,776.70 = 1,646.60/x
  3. Step 3: Cross multiply
    2,521.40x = 3,776.70 × 1,646.60
  4. Step 4: Simplify right side
    2,521.40x = 6,218,714.22
  5. Step 5: Solve for x
    x = 6,218,714.22/2,521.40
  6. Step 6: Final answer
    x = 2,466.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.