Home / 2,880.67-4,320.60-1,031.53

Finding the Fourth Proportional to 2,880.67, 4,320.60 and 1,031.53

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Solution

The fourth proportional to 2,880.67, 4,320.60 and 1,031.53 is: 1,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.67 : 4,320.60 = 1,031.53 : x
  2. Step 2: Convert to fraction form
    2,880.67/4,320.60 = 1,031.53/x
  3. Step 3: Cross multiply
    2,880.67x = 4,320.60 × 1,031.53
  4. Step 4: Simplify right side
    2,880.67x = 4,456,828.52
  5. Step 5: Solve for x
    x = 4,456,828.52/2,880.67
  6. Step 6: Final answer
    x = 1,547.15

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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.