Home / 2,909.16-4,360.77-1,521.77

Finding the Fourth Proportional to 2,909.16, 4,360.77 and 1,521.77

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Solution

The fourth proportional to 2,909.16, 4,360.77 and 1,521.77 is: 2,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.16 : 4,360.77 = 1,521.77 : x
  2. Step 2: Convert to fraction form
    2,909.16/4,360.77 = 1,521.77/x
  3. Step 3: Cross multiply
    2,909.16x = 4,360.77 × 1,521.77
  4. Step 4: Simplify right side
    2,909.16x = 6,636,088.96
  5. Step 5: Solve for x
    x = 6,636,088.96/2,909.16
  6. Step 6: Final answer
    x = 2,281.10

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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.