Home / 2,364.26-3,547.16-721.13

Finding the Fourth Proportional to 2,364.26, 3,547.16 and 721.13

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Solution

The fourth proportional to 2,364.26, 3,547.16 and 721.13 is: 1,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,364.26 : 3,547.16 = 721.13 : x
  2. Step 2: Convert to fraction form
    2,364.26/3,547.16 = 721.13/x
  3. Step 3: Cross multiply
    2,364.26x = 3,547.16 × 721.13
  4. Step 4: Simplify right side
    2,364.26x = 2,557,963.49
  5. Step 5: Solve for x
    x = 2,557,963.49/2,364.26
  6. Step 6: Final answer
    x = 1,081.93

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1.5x scale

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.