Home / 2,913.48-4,372.08-1,615.86

Finding the Fourth Proportional to 2,913.48, 4,372.08 and 1,615.86

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Solution

The fourth proportional to 2,913.48, 4,372.08 and 1,615.86 is: 2,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.48 : 4,372.08 = 1,615.86 : x
  2. Step 2: Convert to fraction form
    2,913.48/4,372.08 = 1,615.86/x
  3. Step 3: Cross multiply
    2,913.48x = 4,372.08 × 1,615.86
  4. Step 4: Simplify right side
    2,913.48x = 7,064,669.19
  5. Step 5: Solve for x
    x = 7,064,669.19/2,913.48
  6. Step 6: Final answer
    x = 2,424.82

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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.