Home / 2,878.34-4,312.65-2,300

Finding the Fourth Proportional to 2,878.34, 4,312.65 and 2,300

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Solution

The fourth proportional to 2,878.34, 4,312.65 and 2,300 is: 3,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.34 : 4,312.65 = 2,300 : x
  2. Step 2: Convert to fraction form
    2,878.34/4,312.65 = 2,300/x
  3. Step 3: Cross multiply
    2,878.34x = 4,312.65 × 2,300
  4. Step 4: Simplify right side
    2,878.34x = 9,919,095
  5. Step 5: Solve for x
    x = 9,919,095/2,878.34
  6. Step 6: Final answer
    x = 3,446.12

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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.