Home / 1,347.52-2,021.38-373.70

Finding the Fourth Proportional to 1,347.52, 2,021.38 and 373.70

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Solution

The fourth proportional to 1,347.52, 2,021.38 and 373.70 is: 560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.52 : 2,021.38 = 373.70 : x
  2. Step 2: Convert to fraction form
    1,347.52/2,021.38 = 373.70/x
  3. Step 3: Cross multiply
    1,347.52x = 2,021.38 × 373.70
  4. Step 4: Simplify right side
    1,347.52x = 755,389.71
  5. Step 5: Solve for x
    x = 755,389.71/1,347.52
  6. Step 6: Final answer
    x = 560.58

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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.