Home / 2,514.81-3,772.22-1,420.10

Finding the Fourth Proportional to 2,514.81, 3,772.22 and 1,420.10

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Solution

The fourth proportional to 2,514.81, 3,772.22 and 1,420.10 is: 2,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.81 : 3,772.22 = 1,420.10 : x
  2. Step 2: Convert to fraction form
    2,514.81/3,772.22 = 1,420.10/x
  3. Step 3: Cross multiply
    2,514.81x = 3,772.22 × 1,420.10
  4. Step 4: Simplify right side
    2,514.81x = 5,356,903.66
  5. Step 5: Solve for x
    x = 5,356,903.66/2,514.81
  6. Step 6: Final answer
    x = 2,130.14

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Similar ratio
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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.