Home / 4,089.58-5,641.95-2,848.30

Finding the Fourth Proportional to 4,089.58, 5,641.95 and 2,848.30

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Solution

The fourth proportional to 4,089.58, 5,641.95 and 2,848.30 is: 3,929.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.58 : 5,641.95 = 2,848.30 : x
  2. Step 2: Convert to fraction form
    4,089.58/5,641.95 = 2,848.30/x
  3. Step 3: Cross multiply
    4,089.58x = 5,641.95 × 2,848.30
  4. Step 4: Simplify right side
    4,089.58x = 16,069,966.19
  5. Step 5: Solve for x
    x = 16,069,966.19/4,089.58
  6. Step 6: Final answer
    x = 3,929.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.