Home / 1,507.41-2,080.53-1,030.14

Finding the Fourth Proportional to 1,507.41, 2,080.53 and 1,030.14

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Solution

The fourth proportional to 1,507.41, 2,080.53 and 1,030.14 is: 1,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.41 : 2,080.53 = 1,030.14 : x
  2. Step 2: Convert to fraction form
    1,507.41/2,080.53 = 1,030.14/x
  3. Step 3: Cross multiply
    1,507.41x = 2,080.53 × 1,030.14
  4. Step 4: Simplify right side
    1,507.41x = 2,143,237.17
  5. Step 5: Solve for x
    x = 2,143,237.17/1,507.41
  6. Step 6: Final answer
    x = 1,421.80

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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.