Home / 3,605.61-5,407.08-1,264.98

Finding the Fourth Proportional to 3,605.61, 5,407.08 and 1,264.98

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Solution

The fourth proportional to 3,605.61, 5,407.08 and 1,264.98 is: 1,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.61 : 5,407.08 = 1,264.98 : x
  2. Step 2: Convert to fraction form
    3,605.61/5,407.08 = 1,264.98/x
  3. Step 3: Cross multiply
    3,605.61x = 5,407.08 × 1,264.98
  4. Step 4: Simplify right side
    3,605.61x = 6,839,848.06
  5. Step 5: Solve for x
    x = 6,839,848.06/3,605.61
  6. Step 6: Final answer
    x = 1,897.00

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1.5x scale

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.