Home / 1,630.10-2,447.40-1,048.70

Finding the Fourth Proportional to 1,630.10, 2,447.40 and 1,048.70

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Solution

The fourth proportional to 1,630.10, 2,447.40 and 1,048.70 is: 1,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.10 : 2,447.40 = 1,048.70 : x
  2. Step 2: Convert to fraction form
    1,630.10/2,447.40 = 1,048.70/x
  3. Step 3: Cross multiply
    1,630.10x = 2,447.40 × 1,048.70
  4. Step 4: Simplify right side
    1,630.10x = 2,566,588.38
  5. Step 5: Solve for x
    x = 2,566,588.38/1,630.10
  6. Step 6: Final answer
    x = 1,574.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.