Home / 1,369.02-2,053.29-444.44

Finding the Fourth Proportional to 1,369.02, 2,053.29 and 444.44

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Solution

The fourth proportional to 1,369.02, 2,053.29 and 444.44 is: 666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369.02 : 2,053.29 = 444.44 : x
  2. Step 2: Convert to fraction form
    1,369.02/2,053.29 = 444.44/x
  3. Step 3: Cross multiply
    1,369.02x = 2,053.29 × 444.44
  4. Step 4: Simplify right side
    1,369.02x = 912,569.34
  5. Step 5: Solve for x
    x = 912,569.34/1,369.02
  6. Step 6: Final answer
    x = 666.59

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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.