Home / 3,442.50-4,750.65-2,045.25

Finding the Fourth Proportional to 3,442.50, 4,750.65 and 2,045.25

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Solution

The fourth proportional to 3,442.50, 4,750.65 and 2,045.25 is: 2,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.50 : 4,750.65 = 2,045.25 : x
  2. Step 2: Convert to fraction form
    3,442.50/4,750.65 = 2,045.25/x
  3. Step 3: Cross multiply
    3,442.50x = 4,750.65 × 2,045.25
  4. Step 4: Simplify right side
    3,442.50x = 9,716,266.91
  5. Step 5: Solve for x
    x = 9,716,266.91/3,442.50
  6. Step 6: Final answer
    x = 2,822.45

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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.