Home / 2,869.24-4,303.38-1,408

Finding the Fourth Proportional to 2,869.24, 4,303.38 and 1,408

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Solution

The fourth proportional to 2,869.24, 4,303.38 and 1,408 is: 2,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.24 : 4,303.38 = 1,408 : x
  2. Step 2: Convert to fraction form
    2,869.24/4,303.38 = 1,408/x
  3. Step 3: Cross multiply
    2,869.24x = 4,303.38 × 1,408
  4. Step 4: Simplify right side
    2,869.24x = 6,059,159.04
  5. Step 5: Solve for x
    x = 6,059,159.04/2,869.24
  6. Step 6: Final answer
    x = 2,111.76

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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.