Home / 2,521.65-3,479.36-1,527

Finding the Fourth Proportional to 2,521.65, 3,479.36 and 1,527

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Solution

The fourth proportional to 2,521.65, 3,479.36 and 1,527 is: 2,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.65 : 3,479.36 = 1,527 : x
  2. Step 2: Convert to fraction form
    2,521.65/3,479.36 = 1,527/x
  3. Step 3: Cross multiply
    2,521.65x = 3,479.36 × 1,527
  4. Step 4: Simplify right side
    2,521.65x = 5,312,982.72
  5. Step 5: Solve for x
    x = 5,312,982.72/2,521.65
  6. Step 6: Final answer
    x = 2,106.95

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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.