Home / 1,045.24-1,567.95-395.98

Finding the Fourth Proportional to 1,045.24, 1,567.95 and 395.98

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Solution

The fourth proportional to 1,045.24, 1,567.95 and 395.98 is: 594.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.24 : 1,567.95 = 395.98 : x
  2. Step 2: Convert to fraction form
    1,045.24/1,567.95 = 395.98/x
  3. Step 3: Cross multiply
    1,045.24x = 1,567.95 × 395.98
  4. Step 4: Simplify right side
    1,045.24x = 620,876.84
  5. Step 5: Solve for x
    x = 620,876.84/1,045.24
  6. Step 6: Final answer
    x = 594.00

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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.