Home / 1,867.12-2,574.72-1,602.46

Finding the Fourth Proportional to 1,867.12, 2,574.72 and 1,602.46

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Solution

The fourth proportional to 1,867.12, 2,574.72 and 1,602.46 is: 2,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.12 : 2,574.72 = 1,602.46 : x
  2. Step 2: Convert to fraction form
    1,867.12/2,574.72 = 1,602.46/x
  3. Step 3: Cross multiply
    1,867.12x = 2,574.72 × 1,602.46
  4. Step 4: Simplify right side
    1,867.12x = 4,125,885.81
  5. Step 5: Solve for x
    x = 4,125,885.81/1,867.12
  6. Step 6: Final answer
    x = 2,209.76

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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.