Home / 2,236.67-3,088.02-1,440.29

Finding the Fourth Proportional to 2,236.67, 3,088.02 and 1,440.29

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Solution

The fourth proportional to 2,236.67, 3,088.02 and 1,440.29 is: 1,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.67 : 3,088.02 = 1,440.29 : x
  2. Step 2: Convert to fraction form
    2,236.67/3,088.02 = 1,440.29/x
  3. Step 3: Cross multiply
    2,236.67x = 3,088.02 × 1,440.29
  4. Step 4: Simplify right side
    2,236.67x = 4,447,657.45
  5. Step 5: Solve for x
    x = 4,447,657.45/2,236.67
  6. Step 6: Final answer
    x = 1,988.52

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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.