Home / 2,715.90-4,069.15-1,484.17

Finding the Fourth Proportional to 2,715.90, 4,069.15 and 1,484.17

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Solution

The fourth proportional to 2,715.90, 4,069.15 and 1,484.17 is: 2,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.90 : 4,069.15 = 1,484.17 : x
  2. Step 2: Convert to fraction form
    2,715.90/4,069.15 = 1,484.17/x
  3. Step 3: Cross multiply
    2,715.90x = 4,069.15 × 1,484.17
  4. Step 4: Simplify right side
    2,715.90x = 6,039,327.71
  5. Step 5: Solve for x
    x = 6,039,327.71/2,715.90
  6. Step 6: Final answer
    x = 2,223.70

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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.