Home / 2,587.30-3,855.24-2,461.77

Finding the Fourth Proportional to 2,587.30, 3,855.24 and 2,461.77

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Solution

The fourth proportional to 2,587.30, 3,855.24 and 2,461.77 is: 3,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.30 : 3,855.24 = 2,461.77 : x
  2. Step 2: Convert to fraction form
    2,587.30/3,855.24 = 2,461.77/x
  3. Step 3: Cross multiply
    2,587.30x = 3,855.24 × 2,461.77
  4. Step 4: Simplify right side
    2,587.30x = 9,490,714.17
  5. Step 5: Solve for x
    x = 9,490,714.17/2,587.30
  6. Step 6: Final answer
    x = 3,668.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.