Home / 1,695.47-2,337.73-1,603.13

Finding the Fourth Proportional to 1,695.47, 2,337.73 and 1,603.13

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Solution

The fourth proportional to 1,695.47, 2,337.73 and 1,603.13 is: 2,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.47 : 2,337.73 = 1,603.13 : x
  2. Step 2: Convert to fraction form
    1,695.47/2,337.73 = 1,603.13/x
  3. Step 3: Cross multiply
    1,695.47x = 2,337.73 × 1,603.13
  4. Step 4: Simplify right side
    1,695.47x = 3,747,669.40
  5. Step 5: Solve for x
    x = 3,747,669.40/1,695.47
  6. Step 6: Final answer
    x = 2,210.41

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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.