Home / 2,320.47-3,479.78-1,347.26

Finding the Fourth Proportional to 2,320.47, 3,479.78 and 1,347.26

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Solution

The fourth proportional to 2,320.47, 3,479.78 and 1,347.26 is: 2,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.47 : 3,479.78 = 1,347.26 : x
  2. Step 2: Convert to fraction form
    2,320.47/3,479.78 = 1,347.26/x
  3. Step 3: Cross multiply
    2,320.47x = 3,479.78 × 1,347.26
  4. Step 4: Simplify right side
    2,320.47x = 4,688,154.37
  5. Step 5: Solve for x
    x = 4,688,154.37/2,320.47
  6. Step 6: Final answer
    x = 2,020.35

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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.