Home / 2,772.04-4,154.86-1,038.92

Finding the Fourth Proportional to 2,772.04, 4,154.86 and 1,038.92

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Solution

The fourth proportional to 2,772.04, 4,154.86 and 1,038.92 is: 1,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.04 : 4,154.86 = 1,038.92 : x
  2. Step 2: Convert to fraction form
    2,772.04/4,154.86 = 1,038.92/x
  3. Step 3: Cross multiply
    2,772.04x = 4,154.86 × 1,038.92
  4. Step 4: Simplify right side
    2,772.04x = 4,316,567.15
  5. Step 5: Solve for x
    x = 4,316,567.15/2,772.04
  6. Step 6: Final answer
    x = 1,557.18

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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.