Home / 1,567.28-2,159.16-1,300.08

Finding the Fourth Proportional to 1,567.28, 2,159.16 and 1,300.08

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Solution

The fourth proportional to 1,567.28, 2,159.16 and 1,300.08 is: 1,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.28 : 2,159.16 = 1,300.08 : x
  2. Step 2: Convert to fraction form
    1,567.28/2,159.16 = 1,300.08/x
  3. Step 3: Cross multiply
    1,567.28x = 2,159.16 × 1,300.08
  4. Step 4: Simplify right side
    1,567.28x = 2,807,080.73
  5. Step 5: Solve for x
    x = 2,807,080.73/1,567.28
  6. Step 6: Final answer
    x = 1,791.05

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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.