Home / 1,730.47-2,386.24-1,140.25

Finding the Fourth Proportional to 1,730.47, 2,386.24 and 1,140.25

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Solution

The fourth proportional to 1,730.47, 2,386.24 and 1,140.25 is: 1,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.47 : 2,386.24 = 1,140.25 : x
  2. Step 2: Convert to fraction form
    1,730.47/2,386.24 = 1,140.25/x
  3. Step 3: Cross multiply
    1,730.47x = 2,386.24 × 1,140.25
  4. Step 4: Simplify right side
    1,730.47x = 2,720,910.16
  5. Step 5: Solve for x
    x = 2,720,910.16/1,730.47
  6. Step 6: Final answer
    x = 1,572.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.