Home / 2,093.18-3,139.02-631.88

Finding the Fourth Proportional to 2,093.18, 3,139.02 and 631.88

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Solution

The fourth proportional to 2,093.18, 3,139.02 and 631.88 is: 947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.18 : 3,139.02 = 631.88 : x
  2. Step 2: Convert to fraction form
    2,093.18/3,139.02 = 631.88/x
  3. Step 3: Cross multiply
    2,093.18x = 3,139.02 × 631.88
  4. Step 4: Simplify right side
    2,093.18x = 1,983,483.96
  5. Step 5: Solve for x
    x = 1,983,483.96/2,093.18
  6. Step 6: Final answer
    x = 947.59

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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.