Home / 2,320.52-3,478.80-1,835.80

Finding the Fourth Proportional to 2,320.52, 3,478.80 and 1,835.80

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Solution

The fourth proportional to 2,320.52, 3,478.80 and 1,835.80 is: 2,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.52 : 3,478.80 = 1,835.80 : x
  2. Step 2: Convert to fraction form
    2,320.52/3,478.80 = 1,835.80/x
  3. Step 3: Cross multiply
    2,320.52x = 3,478.80 × 1,835.80
  4. Step 4: Simplify right side
    2,320.52x = 6,386,381.04
  5. Step 5: Solve for x
    x = 6,386,381.04/2,320.52
  6. Step 6: Final answer
    x = 2,752.13

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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.