Home / 2,516.81-3,472.86-1,440.07

Finding the Fourth Proportional to 2,516.81, 3,472.86 and 1,440.07

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Solution

The fourth proportional to 2,516.81, 3,472.86 and 1,440.07 is: 1,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.81 : 3,472.86 = 1,440.07 : x
  2. Step 2: Convert to fraction form
    2,516.81/3,472.86 = 1,440.07/x
  3. Step 3: Cross multiply
    2,516.81x = 3,472.86 × 1,440.07
  4. Step 4: Simplify right side
    2,516.81x = 5,001,144.14
  5. Step 5: Solve for x
    x = 5,001,144.14/2,516.81
  6. Step 6: Final answer
    x = 1,987.10

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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.