Home / 1,499.07-2,248.14-718.67

Finding the Fourth Proportional to 1,499.07, 2,248.14 and 718.67

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Solution

The fourth proportional to 1,499.07, 2,248.14 and 718.67 is: 1,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.07 : 2,248.14 = 718.67 : x
  2. Step 2: Convert to fraction form
    1,499.07/2,248.14 = 718.67/x
  3. Step 3: Cross multiply
    1,499.07x = 2,248.14 × 718.67
  4. Step 4: Simplify right side
    1,499.07x = 1,615,666.44
  5. Step 5: Solve for x
    x = 1,615,666.44/1,499.07
  6. Step 6: Final answer
    x = 1,077.78

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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.