Home / 1,513.04-2,087.40-1,047.44

Finding the Fourth Proportional to 1,513.04, 2,087.40 and 1,047.44

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Solution

The fourth proportional to 1,513.04, 2,087.40 and 1,047.44 is: 1,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.04 : 2,087.40 = 1,047.44 : x
  2. Step 2: Convert to fraction form
    1,513.04/2,087.40 = 1,047.44/x
  3. Step 3: Cross multiply
    1,513.04x = 2,087.40 × 1,047.44
  4. Step 4: Simplify right side
    1,513.04x = 2,186,426.26
  5. Step 5: Solve for x
    x = 2,186,426.26/1,513.04
  6. Step 6: Final answer
    x = 1,445.06

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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.