Home / 1,603.66-2,210.59-1,130.21

Finding the Fourth Proportional to 1,603.66, 2,210.59 and 1,130.21

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Solution

The fourth proportional to 1,603.66, 2,210.59 and 1,130.21 is: 1,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.66 : 2,210.59 = 1,130.21 : x
  2. Step 2: Convert to fraction form
    1,603.66/2,210.59 = 1,130.21/x
  3. Step 3: Cross multiply
    1,603.66x = 2,210.59 × 1,130.21
  4. Step 4: Simplify right side
    1,603.66x = 2,498,430.92
  5. Step 5: Solve for x
    x = 2,498,430.92/1,603.66
  6. Step 6: Final answer
    x = 1,557.96

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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.