Home / 1,948.10-2,923.02-1,058.90

Finding the Fourth Proportional to 1,948.10, 2,923.02 and 1,058.90

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Solution

The fourth proportional to 1,948.10, 2,923.02 and 1,058.90 is: 1,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.10 : 2,923.02 = 1,058.90 : x
  2. Step 2: Convert to fraction form
    1,948.10/2,923.02 = 1,058.90/x
  3. Step 3: Cross multiply
    1,948.10x = 2,923.02 × 1,058.90
  4. Step 4: Simplify right side
    1,948.10x = 3,095,185.88
  5. Step 5: Solve for x
    x = 3,095,185.88/1,948.10
  6. Step 6: Final answer
    x = 1,588.82

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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.