Home / 1,506.40-2,256.08-1,303.20

Finding the Fourth Proportional to 1,506.40, 2,256.08 and 1,303.20

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Solution

The fourth proportional to 1,506.40, 2,256.08 and 1,303.20 is: 1,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.40 : 2,256.08 = 1,303.20 : x
  2. Step 2: Convert to fraction form
    1,506.40/2,256.08 = 1,303.20/x
  3. Step 3: Cross multiply
    1,506.40x = 2,256.08 × 1,303.20
  4. Step 4: Simplify right side
    1,506.40x = 2,940,123.46
  5. Step 5: Solve for x
    x = 2,940,123.46/1,506.40
  6. Step 6: Final answer
    x = 1,951.75

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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.