Home / 1,752.95-2,615.28-1,689.14

Finding the Fourth Proportional to 1,752.95, 2,615.28 and 1,689.14

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Solution

The fourth proportional to 1,752.95, 2,615.28 and 1,689.14 is: 2,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.95 : 2,615.28 = 1,689.14 : x
  2. Step 2: Convert to fraction form
    1,752.95/2,615.28 = 1,689.14/x
  3. Step 3: Cross multiply
    1,752.95x = 2,615.28 × 1,689.14
  4. Step 4: Simplify right side
    1,752.95x = 4,417,552.54
  5. Step 5: Solve for x
    x = 4,417,552.54/1,752.95
  6. Step 6: Final answer
    x = 2,520.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.