Home / 2,280.16-3,420.42-1,031.53

Finding the Fourth Proportional to 2,280.16, 3,420.42 and 1,031.53

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Solution

The fourth proportional to 2,280.16, 3,420.42 and 1,031.53 is: 1,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.16 : 3,420.42 = 1,031.53 : x
  2. Step 2: Convert to fraction form
    2,280.16/3,420.42 = 1,031.53/x
  3. Step 3: Cross multiply
    2,280.16x = 3,420.42 × 1,031.53
  4. Step 4: Simplify right side
    2,280.16x = 3,528,265.84
  5. Step 5: Solve for x
    x = 3,528,265.84/2,280.16
  6. Step 6: Final answer
    x = 1,547.38

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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.