Home / 2,337.29-3,225.40-1,289.35

Finding the Fourth Proportional to 2,337.29, 3,225.40 and 1,289.35

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Solution

The fourth proportional to 2,337.29, 3,225.40 and 1,289.35 is: 1,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.29 : 3,225.40 = 1,289.35 : x
  2. Step 2: Convert to fraction form
    2,337.29/3,225.40 = 1,289.35/x
  3. Step 3: Cross multiply
    2,337.29x = 3,225.40 × 1,289.35
  4. Step 4: Simplify right side
    2,337.29x = 4,158,670.30
  5. Step 5: Solve for x
    x = 4,158,670.30/2,337.29
  6. Step 6: Final answer
    x = 1,779.27

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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.