Home / 1,499.12-2,246.76-1,325.12

Finding the Fourth Proportional to 1,499.12, 2,246.76 and 1,325.12

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Solution

The fourth proportional to 1,499.12, 2,246.76 and 1,325.12 is: 1,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.12 : 2,246.76 = 1,325.12 : x
  2. Step 2: Convert to fraction form
    1,499.12/2,246.76 = 1,325.12/x
  3. Step 3: Cross multiply
    1,499.12x = 2,246.76 × 1,325.12
  4. Step 4: Simplify right side
    1,499.12x = 2,977,226.61
  5. Step 5: Solve for x
    x = 2,977,226.61/1,499.12
  6. Step 6: Final answer
    x = 1,985.98

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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.