Home / 1,347.15-2,020.49-373.02

Finding the Fourth Proportional to 1,347.15, 2,020.49 and 373.02

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Solution

The fourth proportional to 1,347.15, 2,020.49 and 373.02 is: 559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.15 : 2,020.49 = 373.02 : x
  2. Step 2: Convert to fraction form
    1,347.15/2,020.49 = 373.02/x
  3. Step 3: Cross multiply
    1,347.15x = 2,020.49 × 373.02
  4. Step 4: Simplify right side
    1,347.15x = 753,682.71
  5. Step 5: Solve for x
    x = 753,682.71/1,347.15
  6. Step 6: Final answer
    x = 559.47

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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.