Home / 1,516.65-2,285.44-1,248.81

Finding the Fourth Proportional to 1,516.65, 2,285.44 and 1,248.81

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Solution

The fourth proportional to 1,516.65, 2,285.44 and 1,248.81 is: 1,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.65 : 2,285.44 = 1,248.81 : x
  2. Step 2: Convert to fraction form
    1,516.65/2,285.44 = 1,248.81/x
  3. Step 3: Cross multiply
    1,516.65x = 2,285.44 × 1,248.81
  4. Step 4: Simplify right side
    1,516.65x = 2,854,080.33
  5. Step 5: Solve for x
    x = 2,854,080.33/1,516.65
  6. Step 6: Final answer
    x = 1,881.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.