Home / 2,877.76-4,319.88-1,710.28

Finding the Fourth Proportional to 2,877.76, 4,319.88 and 1,710.28

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Solution

The fourth proportional to 2,877.76, 4,319.88 and 1,710.28 is: 2,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.76 : 4,319.88 = 1,710.28 : x
  2. Step 2: Convert to fraction form
    2,877.76/4,319.88 = 1,710.28/x
  3. Step 3: Cross multiply
    2,877.76x = 4,319.88 × 1,710.28
  4. Step 4: Simplify right side
    2,877.76x = 7,388,204.37
  5. Step 5: Solve for x
    x = 7,388,204.37/2,877.76
  6. Step 6: Final answer
    x = 2,567.35

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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.