Home / 3,442.29-4,750.35-1,870.38

Finding the Fourth Proportional to 3,442.29, 4,750.35 and 1,870.38

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Solution

The fourth proportional to 3,442.29, 4,750.35 and 1,870.38 is: 2,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.29 : 4,750.35 = 1,870.38 : x
  2. Step 2: Convert to fraction form
    3,442.29/4,750.35 = 1,870.38/x
  3. Step 3: Cross multiply
    3,442.29x = 4,750.35 × 1,870.38
  4. Step 4: Simplify right side
    3,442.29x = 8,884,952.62
  5. Step 5: Solve for x
    x = 8,884,952.62/3,442.29
  6. Step 6: Final answer
    x = 2,581.12

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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.