Home / 1,478.22-2,206.52-1,303.07

Finding the Fourth Proportional to 1,478.22, 2,206.52 and 1,303.07

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Solution

The fourth proportional to 1,478.22, 2,206.52 and 1,303.07 is: 1,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478.22 : 2,206.52 = 1,303.07 : x
  2. Step 2: Convert to fraction form
    1,478.22/2,206.52 = 1,303.07/x
  3. Step 3: Cross multiply
    1,478.22x = 2,206.52 × 1,303.07
  4. Step 4: Simplify right side
    1,478.22x = 2,875,232.47
  5. Step 5: Solve for x
    x = 2,875,232.47/1,478.22
  6. Step 6: Final answer
    x = 1,945.06

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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.