Home / 1,567.09-2,350.59-471.40

Finding the Fourth Proportional to 1,567.09, 2,350.59 and 471.40

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Solution

The fourth proportional to 1,567.09, 2,350.59 and 471.40 is: 707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.09 : 2,350.59 = 471.40 : x
  2. Step 2: Convert to fraction form
    1,567.09/2,350.59 = 471.40/x
  3. Step 3: Cross multiply
    1,567.09x = 2,350.59 × 471.40
  4. Step 4: Simplify right side
    1,567.09x = 1,108,068.13
  5. Step 5: Solve for x
    x = 1,108,068.13/1,567.09
  6. Step 6: Final answer
    x = 707.09

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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.