Home / 1,815.46-2,502.87-1,630.93

Finding the Fourth Proportional to 1,815.46, 2,502.87 and 1,630.93

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Solution

The fourth proportional to 1,815.46, 2,502.87 and 1,630.93 is: 2,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.46 : 2,502.87 = 1,630.93 : x
  2. Step 2: Convert to fraction form
    1,815.46/2,502.87 = 1,630.93/x
  3. Step 3: Cross multiply
    1,815.46x = 2,502.87 × 1,630.93
  4. Step 4: Simplify right side
    1,815.46x = 4,082,005.77
  5. Step 5: Solve for x
    x = 4,082,005.77/1,815.46
  6. Step 6: Final answer
    x = 2,248.47

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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.