Home / 1,968.90-2,953.35-1,499.10

Finding the Fourth Proportional to 1,968.90, 2,953.35 and 1,499.10

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Solution

The fourth proportional to 1,968.90, 2,953.35 and 1,499.10 is: 2,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.90 : 2,953.35 = 1,499.10 : x
  2. Step 2: Convert to fraction form
    1,968.90/2,953.35 = 1,499.10/x
  3. Step 3: Cross multiply
    1,968.90x = 2,953.35 × 1,499.10
  4. Step 4: Simplify right side
    1,968.90x = 4,427,366.99
  5. Step 5: Solve for x
    x = 4,427,366.99/1,968.90
  6. Step 6: Final answer
    x = 2,248.65

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Similar ratio
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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.