Home / 2,591.30-3,575.95-1,412.35

Finding the Fourth Proportional to 2,591.30, 3,575.95 and 1,412.35

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Solution

The fourth proportional to 2,591.30, 3,575.95 and 1,412.35 is: 1,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.30 : 3,575.95 = 1,412.35 : x
  2. Step 2: Convert to fraction form
    2,591.30/3,575.95 = 1,412.35/x
  3. Step 3: Cross multiply
    2,591.30x = 3,575.95 × 1,412.35
  4. Step 4: Simplify right side
    2,591.30x = 5,050,480.51
  5. Step 5: Solve for x
    x = 5,050,480.51/2,591.30
  6. Step 6: Final answer
    x = 1,949.01

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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.