Home / 2,903.65-4,007-1,577.35

Finding the Fourth Proportional to 2,903.65, 4,007 and 1,577.35

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Solution

The fourth proportional to 2,903.65, 4,007 and 1,577.35 is: 2,176.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.65 : 4,007 = 1,577.35 : x
  2. Step 2: Convert to fraction form
    2,903.65/4,007 = 1,577.35/x
  3. Step 3: Cross multiply
    2,903.65x = 4,007 × 1,577.35
  4. Step 4: Simplify right side
    2,903.65x = 6,320,421.42
  5. Step 5: Solve for x
    x = 6,320,421.42/2,903.65
  6. Step 6: Final answer
    x = 2,176.72

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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.