Home / 2,559.87-3,532.30-1,440.63

Finding the Fourth Proportional to 2,559.87, 3,532.30 and 1,440.63

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Solution

The fourth proportional to 2,559.87, 3,532.30 and 1,440.63 is: 1,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.87 : 3,532.30 = 1,440.63 : x
  2. Step 2: Convert to fraction form
    2,559.87/3,532.30 = 1,440.63/x
  3. Step 3: Cross multiply
    2,559.87x = 3,532.30 × 1,440.63
  4. Step 4: Simplify right side
    2,559.87x = 5,088,733.75
  5. Step 5: Solve for x
    x = 5,088,733.75/2,559.87
  6. Step 6: Final answer
    x = 1,987.89

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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.