Home / 4,045.63-5,582.36-2,277.20

Finding the Fourth Proportional to 4,045.63, 5,582.36 and 2,277.20

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Solution

The fourth proportional to 4,045.63, 5,582.36 and 2,277.20 is: 3,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.63 : 5,582.36 = 2,277.20 : x
  2. Step 2: Convert to fraction form
    4,045.63/5,582.36 = 2,277.20/x
  3. Step 3: Cross multiply
    4,045.63x = 5,582.36 × 2,277.20
  4. Step 4: Simplify right side
    4,045.63x = 12,712,110.89
  5. Step 5: Solve for x
    x = 12,712,110.89/4,045.63
  6. Step 6: Final answer
    x = 3,142.19

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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.