Home / 3,442.20-4,750.28-1,870.30

Finding the Fourth Proportional to 3,442.20, 4,750.28 and 1,870.30

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Solution

The fourth proportional to 3,442.20, 4,750.28 and 1,870.30 is: 2,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.20 : 4,750.28 = 1,870.30 : x
  2. Step 2: Convert to fraction form
    3,442.20/4,750.28 = 1,870.30/x
  3. Step 3: Cross multiply
    3,442.20x = 4,750.28 × 1,870.30
  4. Step 4: Simplify right side
    3,442.20x = 8,884,434.47
  5. Step 5: Solve for x
    x = 8,884,434.47/3,442.20
  6. Step 6: Final answer
    x = 2,581.03

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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.