Home / 1,536.02-2,117.22-1,038.50

Finding the Fourth Proportional to 1,536.02, 2,117.22 and 1,038.50

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Solution

The fourth proportional to 1,536.02, 2,117.22 and 1,038.50 is: 1,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.02 : 2,117.22 = 1,038.50 : x
  2. Step 2: Convert to fraction form
    1,536.02/2,117.22 = 1,038.50/x
  3. Step 3: Cross multiply
    1,536.02x = 2,117.22 × 1,038.50
  4. Step 4: Simplify right side
    1,536.02x = 2,198,732.97
  5. Step 5: Solve for x
    x = 2,198,732.97/1,536.02
  6. Step 6: Final answer
    x = 1,431.45

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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.