Home / 1,127.02-1,688.73-1,014.10

Finding the Fourth Proportional to 1,127.02, 1,688.73 and 1,014.10

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Solution

The fourth proportional to 1,127.02, 1,688.73 and 1,014.10 is: 1,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127.02 : 1,688.73 = 1,014.10 : x
  2. Step 2: Convert to fraction form
    1,127.02/1,688.73 = 1,014.10/x
  3. Step 3: Cross multiply
    1,127.02x = 1,688.73 × 1,014.10
  4. Step 4: Simplify right side
    1,127.02x = 1,712,541.09
  5. Step 5: Solve for x
    x = 1,712,541.09/1,127.02
  6. Step 6: Final answer
    x = 1,519.53

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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.