Home / 1,435.24-2,154.30-1,114.12

Finding the Fourth Proportional to 1,435.24, 2,154.30 and 1,114.12

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Solution

The fourth proportional to 1,435.24, 2,154.30 and 1,114.12 is: 1,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.24 : 2,154.30 = 1,114.12 : x
  2. Step 2: Convert to fraction form
    1,435.24/2,154.30 = 1,114.12/x
  3. Step 3: Cross multiply
    1,435.24x = 2,154.30 × 1,114.12
  4. Step 4: Simplify right side
    1,435.24x = 2,400,148.72
  5. Step 5: Solve for x
    x = 2,400,148.72/1,435.24
  6. Step 6: Final answer
    x = 1,672.30

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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.