Home / 2,169.02-3,254.88-1,476.20

Finding the Fourth Proportional to 2,169.02, 3,254.88 and 1,476.20

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Solution

The fourth proportional to 2,169.02, 3,254.88 and 1,476.20 is: 2,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.02 : 3,254.88 = 1,476.20 : x
  2. Step 2: Convert to fraction form
    2,169.02/3,254.88 = 1,476.20/x
  3. Step 3: Cross multiply
    2,169.02x = 3,254.88 × 1,476.20
  4. Step 4: Simplify right side
    2,169.02x = 4,804,853.86
  5. Step 5: Solve for x
    x = 4,804,853.86/2,169.02
  6. Step 6: Final answer
    x = 2,215.22

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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.