Home / 1,557.19-2,149.29-967.37

Finding the Fourth Proportional to 1,557.19, 2,149.29 and 967.37

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Solution

The fourth proportional to 1,557.19, 2,149.29 and 967.37 is: 1,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.19 : 2,149.29 = 967.37 : x
  2. Step 2: Convert to fraction form
    1,557.19/2,149.29 = 967.37/x
  3. Step 3: Cross multiply
    1,557.19x = 2,149.29 × 967.37
  4. Step 4: Simplify right side
    1,557.19x = 2,079,153.83
  5. Step 5: Solve for x
    x = 2,079,153.83/1,557.19
  6. Step 6: Final answer
    x = 1,335.20

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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.