Home / 3,215.02-4,436.67-1,817.74

Finding the Fourth Proportional to 3,215.02, 4,436.67 and 1,817.74

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Solution

The fourth proportional to 3,215.02, 4,436.67 and 1,817.74 is: 2,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.02 : 4,436.67 = 1,817.74 : x
  2. Step 2: Convert to fraction form
    3,215.02/4,436.67 = 1,817.74/x
  3. Step 3: Cross multiply
    3,215.02x = 4,436.67 × 1,817.74
  4. Step 4: Simplify right side
    3,215.02x = 8,064,712.53
  5. Step 5: Solve for x
    x = 8,064,712.53/3,215.02
  6. Step 6: Final answer
    x = 2,508.45

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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.