Home / 1,544.60-2,316.89-1,312.94

Finding the Fourth Proportional to 1,544.60, 2,316.89 and 1,312.94

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Solution

The fourth proportional to 1,544.60, 2,316.89 and 1,312.94 is: 1,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.60 : 2,316.89 = 1,312.94 : x
  2. Step 2: Convert to fraction form
    1,544.60/2,316.89 = 1,312.94/x
  3. Step 3: Cross multiply
    1,544.60x = 2,316.89 × 1,312.94
  4. Step 4: Simplify right side
    1,544.60x = 3,041,946.63
  5. Step 5: Solve for x
    x = 3,041,946.63/1,544.60
  6. Step 6: Final answer
    x = 1,969.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.