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Finding the Fourth Proportional to 3,643.79, 5,030.10 and 2,384.89

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Solution

The fourth proportional to 3,643.79, 5,030.10 and 2,384.89 is: 3,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.79 : 5,030.10 = 2,384.89 : x
  2. Step 2: Convert to fraction form
    3,643.79/5,030.10 = 2,384.89/x
  3. Step 3: Cross multiply
    3,643.79x = 5,030.10 × 2,384.89
  4. Step 4: Simplify right side
    3,643.79x = 11,996,250.91
  5. Step 5: Solve for x
    x = 11,996,250.91/3,643.79
  6. Step 6: Final answer
    x = 3,292.25

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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.