Home / 1,477.32-2,214.24-653.88

Finding the Fourth Proportional to 1,477.32, 2,214.24 and 653.88

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Solution

The fourth proportional to 1,477.32, 2,214.24 and 653.88 is: 980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.32 : 2,214.24 = 653.88 : x
  2. Step 2: Convert to fraction form
    1,477.32/2,214.24 = 653.88/x
  3. Step 3: Cross multiply
    1,477.32x = 2,214.24 × 653.88
  4. Step 4: Simplify right side
    1,477.32x = 1,447,847.25
  5. Step 5: Solve for x
    x = 1,447,847.25/1,477.32
  6. Step 6: Final answer
    x = 980.05

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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.