Home / 1,345.16-2,030.38-1,345.16

Finding the Fourth Proportional to 1,345.16, 2,030.38 and 1,345.16

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Solution

The fourth proportional to 1,345.16, 2,030.38 and 1,345.16 is: 2,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345.16 : 2,030.38 = 1,345.16 : x
  2. Step 2: Convert to fraction form
    1,345.16/2,030.38 = 1,345.16/x
  3. Step 3: Cross multiply
    1,345.16x = 2,030.38 × 1,345.16
  4. Step 4: Simplify right side
    1,345.16x = 2,731,187.67
  5. Step 5: Solve for x
    x = 2,731,187.67/1,345.16
  6. Step 6: Final answer
    x = 2,030.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.