Home / 2,880.67-4,320.46-1,031.71

Finding the Fourth Proportional to 2,880.67, 4,320.46 and 1,031.71

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Solution

The fourth proportional to 2,880.67, 4,320.46 and 1,031.71 is: 1,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.67 : 4,320.46 = 1,031.71 : x
  2. Step 2: Convert to fraction form
    2,880.67/4,320.46 = 1,031.71/x
  3. Step 3: Cross multiply
    2,880.67x = 4,320.46 × 1,031.71
  4. Step 4: Simplify right side
    2,880.67x = 4,457,461.79
  5. Step 5: Solve for x
    x = 4,457,461.79/2,880.67
  6. Step 6: Final answer
    x = 1,547.37

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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.