Home / 1,812.36-2,501.08-1,026.40

Finding the Fourth Proportional to 1,812.36, 2,501.08 and 1,026.40

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Solution

The fourth proportional to 1,812.36, 2,501.08 and 1,026.40 is: 1,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.36 : 2,501.08 = 1,026.40 : x
  2. Step 2: Convert to fraction form
    1,812.36/2,501.08 = 1,026.40/x
  3. Step 3: Cross multiply
    1,812.36x = 2,501.08 × 1,026.40
  4. Step 4: Simplify right side
    1,812.36x = 2,567,108.51
  5. Step 5: Solve for x
    x = 2,567,108.51/1,812.36
  6. Step 6: Final answer
    x = 1,416.45

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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.