Home / 1,909.21-2,633.34-1,752.35

Finding the Fourth Proportional to 1,909.21, 2,633.34 and 1,752.35

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Solution

The fourth proportional to 1,909.21, 2,633.34 and 1,752.35 is: 2,416.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.21 : 2,633.34 = 1,752.35 : x
  2. Step 2: Convert to fraction form
    1,909.21/2,633.34 = 1,752.35/x
  3. Step 3: Cross multiply
    1,909.21x = 2,633.34 × 1,752.35
  4. Step 4: Simplify right side
    1,909.21x = 4,614,533.35
  5. Step 5: Solve for x
    x = 4,614,533.35/1,909.21
  6. Step 6: Final answer
    x = 2,416.99

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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.