Home / 1,901.60-2,848.68-1,695.20

Finding the Fourth Proportional to 1,901.60, 2,848.68 and 1,695.20

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Solution

The fourth proportional to 1,901.60, 2,848.68 and 1,695.20 is: 2,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.60 : 2,848.68 = 1,695.20 : x
  2. Step 2: Convert to fraction form
    1,901.60/2,848.68 = 1,695.20/x
  3. Step 3: Cross multiply
    1,901.60x = 2,848.68 × 1,695.20
  4. Step 4: Simplify right side
    1,901.60x = 4,829,082.34
  5. Step 5: Solve for x
    x = 4,829,082.34/1,901.60
  6. Step 6: Final answer
    x = 2,539.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.