Home / 1,347.18-2,017.52-913.02

Finding the Fourth Proportional to 1,347.18, 2,017.52 and 913.02

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Solution

The fourth proportional to 1,347.18, 2,017.52 and 913.02 is: 1,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.18 : 2,017.52 = 913.02 : x
  2. Step 2: Convert to fraction form
    1,347.18/2,017.52 = 913.02/x
  3. Step 3: Cross multiply
    1,347.18x = 2,017.52 × 913.02
  4. Step 4: Simplify right side
    1,347.18x = 1,842,036.11
  5. Step 5: Solve for x
    x = 1,842,036.11/1,347.18
  6. Step 6: Final answer
    x = 1,367.33

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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.