Home / 2,347.66-3,239.04-1,561.84

Finding the Fourth Proportional to 2,347.66, 3,239.04 and 1,561.84

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Solution

The fourth proportional to 2,347.66, 3,239.04 and 1,561.84 is: 2,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.66 : 3,239.04 = 1,561.84 : x
  2. Step 2: Convert to fraction form
    2,347.66/3,239.04 = 1,561.84/x
  3. Step 3: Cross multiply
    2,347.66x = 3,239.04 × 1,561.84
  4. Step 4: Simplify right side
    2,347.66x = 5,058,862.23
  5. Step 5: Solve for x
    x = 5,058,862.23/2,347.66
  6. Step 6: Final answer
    x = 2,154.85

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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.