Home / 2,877.30-4,316.55-1,643.70

Finding the Fourth Proportional to 2,877.30, 4,316.55 and 1,643.70

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Solution

The fourth proportional to 2,877.30, 4,316.55 and 1,643.70 is: 2,465.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.30 : 4,316.55 = 1,643.70 : x
  2. Step 2: Convert to fraction form
    2,877.30/4,316.55 = 1,643.70/x
  3. Step 3: Cross multiply
    2,877.30x = 4,316.55 × 1,643.70
  4. Step 4: Simplify right side
    2,877.30x = 7,095,113.24
  5. Step 5: Solve for x
    x = 7,095,113.24/2,877.30
  6. Step 6: Final answer
    x = 2,465.89

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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.