Home / 3,442.40-4,750.46-1,870.48

Finding the Fourth Proportional to 3,442.40, 4,750.46 and 1,870.48

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Solution

The fourth proportional to 3,442.40, 4,750.46 and 1,870.48 is: 2,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.40 : 4,750.46 = 1,870.48 : x
  2. Step 2: Convert to fraction form
    3,442.40/4,750.46 = 1,870.48/x
  3. Step 3: Cross multiply
    3,442.40x = 4,750.46 × 1,870.48
  4. Step 4: Simplify right side
    3,442.40x = 8,885,640.42
  5. Step 5: Solve for x
    x = 8,885,640.42/3,442.40
  6. Step 6: Final answer
    x = 2,581.23

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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.