Home / 2,349.02-3,523.92-2,116.70

Finding the Fourth Proportional to 2,349.02, 3,523.92 and 2,116.70

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Solution

The fourth proportional to 2,349.02, 3,523.92 and 2,116.70 is: 3,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.02 : 3,523.92 = 2,116.70 : x
  2. Step 2: Convert to fraction form
    2,349.02/3,523.92 = 2,116.70/x
  3. Step 3: Cross multiply
    2,349.02x = 3,523.92 × 2,116.70
  4. Step 4: Simplify right side
    2,349.02x = 7,459,081.46
  5. Step 5: Solve for x
    x = 7,459,081.46/2,349.02
  6. Step 6: Final answer
    x = 3,175.40

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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.