Home / 1,930.60-2,895.90-632.20

Finding the Fourth Proportional to 1,930.60, 2,895.90 and 632.20

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Solution

The fourth proportional to 1,930.60, 2,895.90 and 632.20 is: 948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.60 : 2,895.90 = 632.20 : x
  2. Step 2: Convert to fraction form
    1,930.60/2,895.90 = 632.20/x
  3. Step 3: Cross multiply
    1,930.60x = 2,895.90 × 632.20
  4. Step 4: Simplify right side
    1,930.60x = 1,830,787.98
  5. Step 5: Solve for x
    x = 1,830,787.98/1,930.60
  6. Step 6: Final answer
    x = 948.30

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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.