Home / 1,909.32-2,632.68-1,614.12

Finding the Fourth Proportional to 1,909.32, 2,632.68 and 1,614.12

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Solution

The fourth proportional to 1,909.32, 2,632.68 and 1,614.12 is: 2,225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.32 : 2,632.68 = 1,614.12 : x
  2. Step 2: Convert to fraction form
    1,909.32/2,632.68 = 1,614.12/x
  3. Step 3: Cross multiply
    1,909.32x = 2,632.68 × 1,614.12
  4. Step 4: Simplify right side
    1,909.32x = 4,249,461.44
  5. Step 5: Solve for x
    x = 4,249,461.44/1,909.32
  6. Step 6: Final answer
    x = 2,225.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.