Home / 2,559.90-3,532.74-1,440.81

Finding the Fourth Proportional to 2,559.90, 3,532.74 and 1,440.81

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Solution

The fourth proportional to 2,559.90, 3,532.74 and 1,440.81 is: 1,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.90 : 3,532.74 = 1,440.81 : x
  2. Step 2: Convert to fraction form
    2,559.90/3,532.74 = 1,440.81/x
  3. Step 3: Cross multiply
    2,559.90x = 3,532.74 × 1,440.81
  4. Step 4: Simplify right side
    2,559.90x = 5,090,007.12
  5. Step 5: Solve for x
    x = 5,090,007.12/2,559.90
  6. Step 6: Final answer
    x = 1,988.36

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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.