Home / 2,892.08-4,328.40-1,797.20

Finding the Fourth Proportional to 2,892.08, 4,328.40 and 1,797.20

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Solution

The fourth proportional to 2,892.08, 4,328.40 and 1,797.20 is: 2,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.08 : 4,328.40 = 1,797.20 : x
  2. Step 2: Convert to fraction form
    2,892.08/4,328.40 = 1,797.20/x
  3. Step 3: Cross multiply
    2,892.08x = 4,328.40 × 1,797.20
  4. Step 4: Simplify right side
    2,892.08x = 7,779,000.48
  5. Step 5: Solve for x
    x = 7,779,000.48/2,892.08
  6. Step 6: Final answer
    x = 2,689.76

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1.5x scale

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.