Home / 2,547.91-3,516.17-1,803.21

Finding the Fourth Proportional to 2,547.91, 3,516.17 and 1,803.21

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Solution

The fourth proportional to 2,547.91, 3,516.17 and 1,803.21 is: 2,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.91 : 3,516.17 = 1,803.21 : x
  2. Step 2: Convert to fraction form
    2,547.91/3,516.17 = 1,803.21/x
  3. Step 3: Cross multiply
    2,547.91x = 3,516.17 × 1,803.21
  4. Step 4: Simplify right side
    2,547.91x = 6,340,392.91
  5. Step 5: Solve for x
    x = 6,340,392.91/2,547.91
  6. Step 6: Final answer
    x = 2,488.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.