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Finding the Fourth Proportional to 2,888.61, 4,337.24 and 1,720.59

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Solution

The fourth proportional to 2,888.61, 4,337.24 and 1,720.59 is: 2,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.61 : 4,337.24 = 1,720.59 : x
  2. Step 2: Convert to fraction form
    2,888.61/4,337.24 = 1,720.59/x
  3. Step 3: Cross multiply
    2,888.61x = 4,337.24 × 1,720.59
  4. Step 4: Simplify right side
    2,888.61x = 7,462,603.17
  5. Step 5: Solve for x
    x = 7,462,603.17/2,888.61
  6. Step 6: Final answer
    x = 2,583.46

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1.5x scale

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.