Home / 4,038.88-6,045.28-2,088.40

Finding the Fourth Proportional to 4,038.88, 6,045.28 and 2,088.40

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Solution

The fourth proportional to 4,038.88, 6,045.28 and 2,088.40 is: 3,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.88 : 6,045.28 = 2,088.40 : x
  2. Step 2: Convert to fraction form
    4,038.88/6,045.28 = 2,088.40/x
  3. Step 3: Cross multiply
    4,038.88x = 6,045.28 × 2,088.40
  4. Step 4: Simplify right side
    4,038.88x = 12,624,962.75
  5. Step 5: Solve for x
    x = 12,624,962.75/4,038.88
  6. Step 6: Final answer
    x = 3,125.86

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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.