Home / 2,907.24-4,360.86-2,045.40

Finding the Fourth Proportional to 2,907.24, 4,360.86 and 2,045.40

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Solution

The fourth proportional to 2,907.24, 4,360.86 and 2,045.40 is: 3,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.24 : 4,360.86 = 2,045.40 : x
  2. Step 2: Convert to fraction form
    2,907.24/4,360.86 = 2,045.40/x
  3. Step 3: Cross multiply
    2,907.24x = 4,360.86 × 2,045.40
  4. Step 4: Simplify right side
    2,907.24x = 8,919,703.04
  5. Step 5: Solve for x
    x = 8,919,703.04/2,907.24
  6. Step 6: Final answer
    x = 3,068.10

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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.