Home / 2,878.55-4,319.04-1,710.79

Finding the Fourth Proportional to 2,878.55, 4,319.04 and 1,710.79

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Solution

The fourth proportional to 2,878.55, 4,319.04 and 1,710.79 is: 2,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.55 : 4,319.04 = 1,710.79 : x
  2. Step 2: Convert to fraction form
    2,878.55/4,319.04 = 1,710.79/x
  3. Step 3: Cross multiply
    2,878.55x = 4,319.04 × 1,710.79
  4. Step 4: Simplify right side
    2,878.55x = 7,388,966.06
  5. Step 5: Solve for x
    x = 7,388,966.06/2,878.55
  6. Step 6: Final answer
    x = 2,566.91

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1.5x scale

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.